Features:

4 sensor system， double CPU and advanced chipset for enhanced coverage and detection (0-2.5m).
With digital colored LED display (number !#!amp!*! light).
Help to prevent dangerous and costly collisions.
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.
Anti-freeze and rain proof.
Easy to install.
A saw drill head included.

Specifications:

Rate voltage: 12V DC
Rate operating range: 10.5V - 16V DC
Rate current: 100mA - 300mA
Detecting distance: 0.3 - 2.0m
Ultrasonic frequency: 40KHz
Control moudle working temperature: -30 - 80 celcius degree
Display working temperature: -20 - 70 celcius degree

Package including

1 * Main Control Box
1 * LED Display Indicator
4 * Parking Sensors with 2.5M Line
1 * Hole Saw
1 * Power Cable
2 * Double Side Sticker