Item No.
Number of sensors
Alarm Voice
Remark

SB-D701
2
BiBi
2 rear sensors

SB-D702
4
BiBi
4 rear sensors

SB-D703
6
BiBi
4 rear sensors,
2 front sensors

SB-D704
8
BiBi
4 rear sensors,
4 front sensors
Features:
7 bands digital LED display
Stage-by-stage sound alarm
Optional sensor style and color
Human voice alarm (optional)
Anti-freezing, rainy-proof design, work well under extreme cold weather

Specifications:
Working voltage: DC12V2V
Input: 4W(max)
Beeper: 80dB
Working temperature: -40~+80º C
Frequency: 40KHz
Detection distance: 0.4-2m