Product Features:

1.Four sensors,double CPU and advanced chipset for enhanced coverage and detection (0.3-2.5m).             
2.LCD digital display show the distance from obstacle and its direction. Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. Detect small children and low walls as well
3. Alarm by three-step bibi sound    
4. Anti-freeze and rain proof
5. Easy to install.A hole saw drill head included.

Specifications:

Rate voltage: 12V DC
Rate operating range: 10.5V - 16V DC
Rate current: 100mA - 300mA
Detecting distance: 0.3 - 2.5m
Ultrasonic frequency: 40KHz
Control moudle working temperature: -30 - 80 celcius degree
Display working temperature: -20 - 70 celcius degree
LCD display size: 9 * 1.5cm
Display weight: 88g
Main control box size: 10.5 * 6 * 2cm
Main control box weight: 63g