Simple Parking Sensor without Display
No display, 4 rear ultrasonic sensors
More stable two angles sensor, horizontal and vertical for detection
"Bi Bi..."Voice alerting only, easy know the car parking status
Waterproof and shockproof, anti-fault information technology
Intelligent identification of the rear obstacles position
Working stable in wide temperature range: -40~+80 degrees centigrade
4 sensors (2/4/6/8 sensors optional)

Specifications:
Working voltage: DC12V±2V          
Input:5W(max)
Beeper: 80dB
Working temperature: -40oC to +80oC
Frequency: 40KHz
Detection distance: 0.3-2.0m