Features:
Stage-by-stage sound alarm
Optional sensor style and color
Human voice alarm (option)
Anti-freezing, rainy-proof design, work well under extreme cold weather
Technical Specifications:
Working voltage: DC12V2V
Input: 4W(max)
Beeper: 90-105dB
Working temperature: -40~+80ípC
Frequency: 40KHz
Alarm distance: 0.3-0.6m
Best detection distance: 0.4-1.5m
Detection distance: 0.4-2m
45*33*34cm