Home Supplier Discovery Security & Protection CCTV Camera

Traffic Statistics Manufacturers & Suppliers

Traffic Statistics Total 105 manufacturers & suppliers found with 315 products

Novasky Technology Company Limited by Shares

China Supplier - Gold MemberSince 2021

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Number of Employees300
Number of Employees
Manufacturer/Factory
Counter-Terrorism , Life Detection & Search , Anti-Drone Defense System , Security System
Own Brand, ODM, OEM
ISO9001:2015, ISO14001:2015, ISO45001:2016, ISO 27001:2013, ISO 20000-1:2018...
  • TCR300 Traffic Flow Radar for Traffic Flow Statistics
    US$ 800 / Piece
    1 Piece (MOQ)
  • Traffic Radar Speed Limit Sign for Traffic Flow Statistics
    US$ 800 / Piece
    1 Piece (MOQ)
  • 24GHz Fmcw Doppler Radar Sensor for Road Monitoring, Vehicle Flow Statistic
    US$ 600 / Piece
    1 Piece (MOQ)
Manufacturer/Factory
Driver Fatigue Monitor , Mdvr , Anti Collision Warning System , Proximity Warnng Alert System , Pessenger Flow Statistics System
OEM
ISO 14064
  • Public Pfj100 GPRS Traffic Vehicle Automatic Camera Bus Passenger Counter
    US$ 350 / Piece
    1 Piece (MOQ)
  • Caredrive High Accuracy Infrared Real-Time Recording Video Camera People Counter GPS Passenger Counter Sensor System for Bus
    US$ 350 / Piece
    1 Piece (MOQ)

ZHEJIANG STARS PLASTIC SAFETY DEVICE CO., LTD.

China Supplier - Gold MemberSince 2011

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Number of Employees104
Number of Employees
Manufacturer/Factory , Trading Company
Traffic Batons , Traffic Warning Light , Road Stud , Traffic Direction Sign , Solar Warning Light
ODM, Own Brand
ISO9001:2015
  • 9" Value Portable Sign Radar Speed Traffic W/ 20ah Battery & AC Charger, Fluorescent Yellow/Green/White Reflective Sign Face
    US$ 600 / Piece
    1 Piece (MOQ)
  • Germanysmile Face LED Digit Display Traffic Radar Speed Sign
    US$ 600 / Piece
    1 Piece (MOQ)
  • Via Germany Traffic Controlling Innovative Speed Displays Viasis Speed Displays
    US$ 600 / Piece
    1 Piece (MOQ)

Anhui Tsinglink Information Technology Co., Ltd.

China Supplier - Diamond MemberSince 2018

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Number of Employees223
Number of Employees
Manufacturer/Factory , Trading Company
Body Worn Camera; Mobile PTZ Camera; Face Recognition Tablet; Thermal Imaging Camera; Face Recognition Camera; License Plate Recognition Camera
ODM, OEM, Own Brand
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
  • Intelligent Traffic Control 5.0 Mega Pixel H265 Bullet License Plate Recognition Lpr Camera
    US$ 320 / Set
    1 Set (MOQ)
  • ODM Traffic Intelligent Transport System Bullet Fast Speed Anpr Alpr Lpr Camera
    US$ 320 / Set
    1 Set (MOQ)
  • Traffic Control Intelligent Transport System High Speed Bullet Anpr Bullet 4G Lpr Camera
    US$ 320 / Set
    1 Set (MOQ)

Guangdong Qigong Industrial Group Co., Ltd.

China Supplier - Gold MemberSince 2021

Suppliers with verified business licenses

4.0
Plant Area1000
Plant Area
Manufacturer/Factory
Automatic Gate , Retractable Gate , Folding Gate , Barrier Gate , Boom Barrier
ISO 9001
Foshan, Guangdong
  • Intelligent Traffic Wing Gate Face Recognition System Detection
    US$ 995 / set
    1 set (MOQ)
  • Quickly Process Pedestrian Traffic Entry Control Optical Turnstiles Turnstile Speed Gate
    US$ 1038 / set
    1 set (MOQ)
  • Intelligent Traffic Three-Roller Gate Face Recognition System Detection
    US$ 1055 / set
    1 set (MOQ)

Hangzhou Paize Technology Co., Ltd.

China Supplier - Gold MemberSince 2015

Suppliers with verified business licenses

4.0
Manufacturer/Factory , Trading Company
CCTV Network Camera , Digital Video Recorder DVR , Hdcvi Camera , Network PTZ Camera , Ivss
Own Brand
ISO 9001
  • Dahua 4MP IR Ai Enforcement Traffic Speed Detection Vehicle Anpr Car License Plate Recognition Camera
    US$ 528 / Piece
    1 Piece (MOQ)
  • Dahua 4MP Security Motorcycle Camera Price Traffic Surveillance Camera with Anpr
    US$ 555.55 / Piece
    1 Piece (MOQ)
  • Dahua Built-in Traffic Lights 7-Inch Full Color Touch Screen LCD Display Door Walk-Through Metal Detector
    US$ 1749 / Piece
    1 Piece (MOQ)

IDeal Intelligent Technology Co., Ltd.

China Supplier - Gold MemberSince 2014

Suppliers with verified business licenses

4.0
Manufacturer/Factory
Barrier Radar Detector , RFID Readers , RFID Cards , Barrier Gate , Loop Detector
OEM, ODM
within 15 workdays
  • Double Vehicle Loop Detector for Traffic Barrier
    Negotiable
    2 Pieces (MOQ)
  • Active UHF RFID Tag/UHF RFID Tag Small
    Negotiable
    200 Pieces (MOQ)
  • High-Quality Dual Channel Traffic Detector
    US$ 1 / Piece
    2 Pieces (MOQ)

Xiamen Alotcer Communication Technology Co., Ltd.

China Supplier - Gold MemberSince 2021

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Number of Employees3
Number of Employees
Manufacturer/Factory
Industrial Cellular Router , Industrial Modem , 3G Router , 4G LTE Router , Embedded Cellular Modem
OEM, ODM, Own Brand
Response Time≤3h
  • CE Certificate Industrial 4G Dual SIM Router for Intelligent Traffic Management
    US$ 125 / Piece
    1 Piece (MOQ)
  • Great Price Industrial 4G LTE WiFi Router 4G FDD Tdd Cellular Industrial 4G Router
    US$ 125 / Piece
    1 Piece (MOQ)
  • Modem with RS232 RS485 for Industrial Project 2021 Industrial 4G Router
    US$ 125 / Piece
    1 Piece (MOQ)

SHENZHEN SECURITY ELECTRONIC EQUIPMENT CO., LIMITED

China Supplier - Gold MemberSince 2018

Suppliers with verified business licenses

4.0
Plant Area100
Plant Area
Number of Employees2
Number of Employees
Manufacturer/Factory , Trading Company
X Ray Baggage Scanner , Under Vehicle Surveillance System , Walk Through Metal Detector , Explosive Trace Detector , Hand-Held Metal Detector
ODM, OEM, Own Brand
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
  • Under Vehicle Security Inspection Scanning System for Traffic Control
    US$ 9000 / Piece
    1 Piece (MOQ)
  • Permanent Under Vehicle Scanner Fixed Car Undercarriage Bomb Detector for Bank Entrance SPV-3300
    Negotiable
    1 Piece (MOQ)
  • Fixed Under Vehicle Scanner Surveillance Inspection System for Under Car Bomb Detection
    US$ 8000 / Piece
    1 Piece (MOQ)

Time Varying Transmission Co., Ltd.

China Supplier - Gold MemberSince 2022

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Manufacturer/Factory
Perimeter Radar Security System , Anti-Drone Solution & System , Elderly Care Health Care System , Mmwave Radar Modules
OEM, ODM, Own Brand
ISO 9001
  • Drone Jammer System for Public Security, Jail, Prison, Traffic Industry, Energy Industry
    US$ 60000 / Set
    1 Set (MOQ)
  • Defense System for Drones for Public Security, Jail, Prison, Traffic Industry, Energy Industry
    US$ 60000 / Set
    1 Set (MOQ)

Jiangsu Shixin Electric Group Co., Ltd.

China Supplier - Diamond MemberSince 2013

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Number of Employees188
Number of Employees
Manufacturer/Factory , Trading Company
Street Lighting , Solar Street Light , Solar Panel , LED Lighting , Lighting Pole
Own Brand, ODM, OEM
ISO9001:2015, ISO14001:2015, ISO45001:2018 certificate
  • 6 Meters, 8 Meters, 10 Meters, 12 Meters, 15 Meters 5g Lora Controller Multi Functional Traffic Light Double Arm Lamp Smart Pole
    US$ 600 / Piece
    50 Pieces (MOQ)
  • 2024 Customized Smart Multi-Functional Lighting Pole with Sliding Slot
    US$ 500 / Piece
    50 Pieces (MOQ)

Manplus Intelligent Technology (Beijing) Co., Ltd.

China Supplier - Gold MemberSince 2024

Suppliers with verified business licenses

4.0
Plant Area500
Plant Area
Manufacturer/Factory
3D Camera , Ai IP Camera , Customer Counting Camera , Automatic Passenger Counter
Own Brand
within 15 workdays
  • People Counting Camera Automatic Counter Passenger Traffic People Counter
    US$ 250 / Piece
    1 Piece (MOQ)

Further Technology (Dongguan) Co., Limited

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Number of Employees2
Number of Employees
Manufacturer/Factory , Trading Company
Mobile DVR , Car Camera
Response Time≤3h
ISO9001:2015
  • 2 Doors Passenger Flow Statistics Automatic Passenger Counter for Bus
    US$ 412 / Piece
    2 Pieces (MOQ)
  • Passenger Counter Mdvr Bus Train Subway Streetcar Yacht Passenger Ship People Counter GPS 3G 4G Mobile DVR Passenger Statistics
    US$ 240 / Piece
    2 Pieces (MOQ)
  • High-Precision Dynamic-Range 2 Doors Passenger Flow Statistics Automatic Passenger Counter for Bus
    US$ 412 / Piece
    2 Pieces (MOQ)

Kama International Trade & Technology Co., Ltd.

China Supplier - Diamond MemberSince 2020

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
PVC Vinyl Flooring , Spc Flooring , Lvt Dryback/Adhesive Floor , PVC Linoleum Flooring Roll , PVC Hospital Flooring
OEM, ODM
ISO 9001
  • China Manufacture ESD Anti-Statistic Roll Homogeneous Vinyl Flooring for Electronic Room
    US$ 5.1 / Square Meter
    200 Square Meters (MOQ)

Takfly Communications Co., Ltd.

China Supplier - Diamond MemberSince 2013

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
Fiber Optic Patchcord , Optical Adapter , Optic Attenuator , CWDM/DWDM , Media Converter
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 14000
  • 10/100/1000m DIN-Rail Industrial Ethernet Switch with SFP Slot
    US$ 30 / Piece
    2 Pieces (MOQ)
  • 8 * 10/100Mbps Electrical Ports Industrial Optical Ethernet Switch
    US$ 100 / Piece
    1 Piece (MOQ)
  • 10/100m DIN-Rail Mount Industrial Ethernet Switch with 8 Electrical Ports
    US$ 45 / Piece
    1 Piece (MOQ)

Wuhan Ai Wei Technology Co., Ltd.

China Supplier - Gold MemberSince 2019

Suppliers with verified business licenses

4.0
Plant Area218
Plant Area
Number of Employees9
Number of Employees
Trading Company
Security Inspection Machine
ODM
GJB9001C-2017
  • Wuhan Factory Thermal Sensing Thermal Imaging Temperature Measurement Security Door Intelligent Temperature Measurement Detection
    US$ 400 / Piece
    1 Piece (MOQ)
  • Iwildt an-2020 Thermal Sensing Thermal Imaging Temperature Intelligent Temperature Door for Airport
    US$ 400 / Piece
    1 Piece (MOQ)
  • Iwildt an-2020 Thermal Sensing Thermal Imaging Temperature Measurement Security Intelligent Temperature Door
    US$ 400 / Piece
    1 Piece (MOQ)

Shenzhen Dinstar Co., Ltd.

China Supplier - Gold MemberSince 2011

Suppliers with verified business licenses

4.0
Plant Area1000
Plant Area
Number of Employees3
Number of Employees
Manufacturer/Factory , Trading Company
VoIP Phone , GSM Gateway , VoIP Gateway , IP Phone , FXS VoIP Gateway
Own Brand
ISO9001:2015
  • 5 to 50 Calls Sme Session Border Controller Sbc300 for VoIP Security
    US$ 400 / Piece
    1 Piece (MOQ)
  • Session Border Controller Sbc300 Protect Your VoIP Environment
    US$ 400 / Piece
    1 Piece (MOQ)
  • Webrtc Gateway Session Border Controller Sbc300
    US$ 400 / Piece
    1 Piece (MOQ)

Takfly Communications Co., Ltd.

China Supplier - Diamond MemberSince 2013

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Number of Employees65
Number of Employees
Manufacturer/Factory
Fiber Optical Cable , Patch Cord , Adapter , Terminal Box , PLC Splitter
Own Brand, ODM, OEM
ISO9001:2008, ISO14001:2004
  • 10/100m DIN-Rail Mount Industrial Ethernet Switch
    US$ 80 / Piece
    1 Piece (MOQ)
  • 10/100m DIN-Rail Mount Industrial Ethernet Switch
    US$ 650 / Piece
    1 Piece (MOQ)
  • DIN Rail Mount Industrial Ethernet Switch with 16 10/100 Base-Tx Port + 4 1000base-Fx
    US$ 1 / Piece
    1 Piece (MOQ)

Shinningpc Industrial Co., Ltd.

China Supplier - Diamond MemberSince 2017

Suppliers with verified business licenses

5.0
Plant Area2000
Plant Area
Manufacturer/Factory , Trading Company
Face Peeling Machine , RF Equipment , IPL Machine , Laser Beauty Equipment , Slimming Machine
OEM, ODM
ISO 9001, GMP, BSCI
  • 2023 FTTH Single Pon Port Mini Gpon Olt with Built-in SFP C++ Transceiver
    Negotiable
    10 Pieces (MOQ)
  • Single Port 1 Pon Mini Gpon Olt 1: 128 Splitting Ratio 20km Transmission
    Negotiable
    10 Pieces (MOQ)
  • Outdoor 2*10ge SFP+ Gpon Olt 8 Ports + EDFA Module with Optical Power 13dBm - 22dBm
    Negotiable
    10 Pieces (MOQ)

JIUZHOU HIGHTECH LIMITED

China Supplier - Gold MemberSince 2019

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Manufacturer/Factory
CCTV Camera , WiFi Router , CPE Router , Gpon Olt , Gpon ONU
OEM, ODM
ISO 9001
  • 1200Mbps Broadband WiFi5 Wireless 2.4/5g Dual Band WiFi Router with 4 External Antennas Stronger Signal Wider Coverage
    US$ 14.5 / Piece
    1000 Pieces (MOQ)
  • 1200Mbps 4G LTE WiFi5 2.4/5.0g Wireless Wireless WiFi Router
    US$ 14.5 / Piece
    1000 Pieces (MOQ)
  • 1200Mbps 4G LTE WiFi5 Wireless WiFi Broadband Router
    US$ 14.5 / Piece
    1000 Pieces (MOQ)

Safeway Inspection System Limited

China Supplier - Diamond MemberSince 2012

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
X-ray Baggage Scanner , Security X-ray Scanner , X-ray Luggage Scanner , Passenger Car and Vehicle Scanner , Dangerous Liquid Detector
OEM, ODM, Own Brand
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
  • Security Products Metal Detector Pass-Through Type Metal Detection Door
    US$ 10 / Piece
    1 Piece (MOQ)
  • Factory Price Door Fame Metal Detector Walk Through Metal Detector
    US$ 10 / Piece
    1 Piece (MOQ)
  • Security Products Outdoor Walk Through Metal Detector for Finding Copper (AT-300B)
    US$ 10 / Piece
    1 Piece (MOQ)

Safeway Inspection System Limited

China Supplier - Diamond MemberSince 2015

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company , Group Corporation
X-ray Baggage Scanner , X-ray Security Scanner , X-ray Airport Scanner , Explosive and Narcotics Trace Detector , Dangerous Liquid Detector
OEM, ODM, Own Brand
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
  • Electronic Metal Detector Walk Through Metal Detector Door Gold Metal Detector
    US$ 10 / Piece
    1 Piece (MOQ)
  • Water-Proof Multi-Zone Walk Through Metal Detector Gate Metal Detector
    US$ 10 / Piece
    1 Piece (MOQ)
  • Outdoor Use Metal Detector Door at-300b Walk Through Metal Detector
    US$ 10 / Piece
    1 Piece (MOQ)

Chongqing Chimu Technology Co., Ltd.

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area600
Plant Area
Number of Employees21
Number of Employees
Trading Company
Network equipment: Switch , Router , OLT , Server , SDH
within 15 workdays
Chongqing, Chongqing
  • Msr2600-10-X1 Router
    US$ 800 / piece
    1 piece (MOQ)
  • Rt-Sic-1epri-V3
    US$ 800 / piece
    1 piece (MOQ)
  • Msr2660-Xs Router
    US$ 800 / piece
    1 piece (MOQ)

Sichuan Weinasa Technology Co., Ltd.

China Supplier - Gold MemberSince 2022

Suppliers with verified business licenses

4.0
Plant Area200
Plant Area
Number of Employees8
Number of Employees
Trading Company
Automatic Weather Station , Wind Speed Senser , Wind Direction Senser , Ultrasonic Wind Speed and Direction Senser , Soil Temperature and Moisture and Conductivity Senser
OEM, ODM, Own Brand
within 15 workdays
  • Raws006L Highway Heavy Fog Visibility Sensor Ultrasonic Weather Station
    US$ 7138 / Piece
    1 Piece (MOQ)
  • Raws001-Tq Road Condition Detector Used Raining Weather Environment Visibility Sensor Road Weather Station
    US$ 6332 / Piece
    1 Piece (MOQ)
  • Raws002 Rain Snow Fog Ice Weather Condition Detector High Visibility Highway Weather Station
    US$ 13047 / Set
    1 Set (MOQ)

Shanghai Gaohe Imp. & Exp. Co., Ltd.

China Supplier - Gold MemberSince 2009

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company , Other
Textile Machinery , Instruments & Meters , Chemicals , Bags Cases & Boxes , Electrical & Electronics
OEM, Own Brand
ISO 9001
  • 4G Industrial Router with SIM Card
    US$ 40 / Piece
    1 Piece (MOQ)
  • High-End 4G Wireless CPE Router E5373s-155
    Negotiable
    1 Piece (MOQ)
  • Outdoor Waterproof and Dustproof 4G LTE Gigabit Interface Industrial Router
    US$ 32 / Piece
    50 Pieces (MOQ)

Shenzhen Ex-link Technology Co., Ltd.

China Supplier - Gold MemberSince 2017

Suppliers with verified business licenses

4.0
Plant Area1000
Plant Area
Manufacturer/Factory
Outdoor Router , Indoor Router , WiFi Router , 3G/4G/5g Gateway , 4G CPE
OEM, ODM, Own Brand
within 15 workdays
  • 4G Lte Idu with WiFi/GPS
    US$ 78 / Piece
    1 Piece (MOQ)
  • 4G Lte Waterproof Router with Apn/Vpdn, TCP/IP, UDP, FTP, HTTP Network Protocol.
    US$ 95 / Piece
    1 Piece (MOQ)
  • Support B28 Outdoor Wi-Fi LTE Router
    US$ 100 / Piece
    1 Piece (MOQ)

Shenzhen Etross Telecom Co., Ltd.

China Supplier - Gold MemberSince 2008

Suppliers with verified business licenses

4.0
Manufacturer/Factory , Trading Company
Fixed Wireless Phone , Fixed Wireless Terminal , SMS Gateway , VoIP Gateway , CPE Router
OEM, ODM, Own Brand
Shenzhen, Guangdong
  • 4G WiFi Router / CPE
    US$ 50 / Piece
    1 Piece (MOQ)
  • 4G WiFi Router Outdoor ODU B611 with RJ45 Rj11 SIM Slot LTE CPE
    US$ 58 / Piece
    3000 Pieces (MOQ)
  • Outdoor ODU 4G LTE WiFi Router with SIM Card Slot/Rj11 Telephone Port/RJ45 Net Port for Home/Hotel/Holiday House/Office
    US$ 58 / Piece
    3000 Pieces (MOQ)

Focuscom Global Limited

China Supplier - Gold MemberSince 2024

Suppliers with verified business licenses

4.0
Plant Area1000
Plant Area
Trading Company
Networking , Industrial Communication , Power Supply
OEM, ODM
ISO 9001, ISO 14001
  • Gigabit Industrial Switch Poe 8 Ports + 2port 100/1000X SFP Managed Ethernet Switch
    Negotiable
    1 Piece (MOQ)
  • 48g Poe+4*10g SFP Smart Web Managed Switch, 48*10/100/1000m Poe+4*100/1000m/1g/10g SFP+ Managed Poe Switch
    US$ 348 / Piece
    1 Piece (MOQ)
  • 24G Poe+4*10g SFP Smart Web Switch, 24*10/100/1000m Poe+4*100/1000m/1g/10g SFP+ Managed Poe Switch
    US$ 225 / Piece
    1 Piece (MOQ)

Hangzhou Prevail Communication Technology Co., Ltd.

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Plant Area2000
Plant Area
Number of Employees4
Number of Employees
Manufacturer/Factory , Trading Company
1550nm CATV Amplifier EDFA , CATV Amplifier , Optical Transmitter , Optical Receiver , Digital Head-End Equipment
OEM, ODM
ISO9001:2015, ISO14001:2015, ISO 45001:2018
  • Wgp3200-C-W Gpon ONU
    US$ 28 / Piece
    500 Pieces (MOQ)
  • Wgp5000-16p Gpon Olt 16 Pon Port
    US$ 2450 / Piece
    1 Piece (MOQ)
  • Wgp3200-C-W Series Gpon ONU (WiFi + CATV RX + ONU)
    Negotiable
    1 Piece (MOQ)

Shenzhen UT-King Technology Co., Ltd.

China Supplier - Gold MemberSince 2020

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
Fiber Optic Patch Cord , Fiber Optic Fast Connector , Fiber Optic PLC Splitter , Fiber Optic SFP Moudle , Fiber Optic Distribution Box
OEM, ODM, Own Brand
ISO 9001, ISO 14000
  • Gpon AC ONU 4ge +2tel/Pots/Voice+WiFi 2.4G&5g Dual Band Excellent Quality ONU with High Repuurchasing Rate
    US$ 40 / Piece
    10 Pieces (MOQ)
  • Ut-King 4ge +WiFi (2.4G&5.8G) Dual Band AC Gpon ONU Gpon WiFi Optical Network Unit
    US$ 30 / Piece
    2 Pieces (MOQ)
  • Excellent Quality 4ge +2tel/Voice/Pots+WiFi 2.4G&5g Dual Band Gpon ONU
    US$ 40 / Piece
    10 Pieces (MOQ)
Items per Page: 10 | 30 | 50
1 2 3 4