4CH/8CH/16CH CCTV DVR For Security Features:
SPECIFICATIONS
1. Video Parameters
Video Input: Composite video input PAL(25 fps) NTSC(30 fps) (BNC, 1Vp-p, Ohm)
Video Output: 1 channel composite video output(BNC, 1Vp-p, 75Ohm)PAL(625 line/frame) NTSC(525 line/frame)
1 VGA output(Frequency: 60 Hz, resolution: 800*600, 1024X768, 1280X768, 1360X768)
2. Audio Parameters
Audio input: N/A
Audio output: N/A
Voice-chat: Input(3.5MM MIC in, 10KOhm, Vp-p=2.0V LINE in/ 50mV MIC in)
Output(BNC, 10KOhm, Vp-p=2.0V LINE)
3. Video Compression: H. 264
CIF: PAL(352X288)25 fps/CH; NTSC(352X240)30 fps/CH
4. Audio Compression: G. 711/G. 722, Audio sampling rate 8K/16K sample/ sec., 16 bit/sample
5. Operation System: Real Time Operation System(RTOS)
6. HDD interface: 2 SATA interfaces, support 48bit LBA working mode

7. Alarm interface:
Alarm input: Support open normally and close normally; Support 16 channels alarm input
Alarm output: 2 channels alarm output (delay opened circuit, relay output)
8. I/O interface: RS485 interface supports network transparent channel connection and serial port control keyboard.
9. Operation mode: Multi-functional IR remote control, PS/2 mouse, serial port control keyboard
10. Backup interface: Support data backup function
11. Network port: RJ 45 10M/100M Ethernet Interface
12. Power supply: 220+/-30% V, 50+/-3% Hz 110+/-20% V, 60+/-3% Hz optional
13. Dimension: 325 X 220 X 55, 405 X 310 X 55 (Length * Width * High, mm. )