LED display
With stand, free swiveling for the best viewing direction
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

Specifications:
Working voltage: DC12V +/- 2V
Power Input: 5W(max)
Beeper: 80dB
Working temperature: -40~+80° C
Frequency: 40KHz
Detection distance: 0.4-2m
Alarm distance: 0.3-0.6m
Best detection distance: 0.4-1.5m