?Features:
Car parking radar system as well as rearview mirror, can be fixed securely on cars' rearview mirror which height within 5.6~7.8cm.
4 parking sensors detect obstacles when reversing, detecting distance: 0.3~1.8m.
Built-in ultra-thin VFD monitor, display both the direction and exact distance of obstacles directly.
With buzzer alert, the closer the obstacles is, the faster the sound alert.
Detect small children and low walls as well.
With spring design on the back for mounting, easy installation and operation.
Help to prevent dangerous and costly collisions, increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle.

Specifications:
Color: Black
Sensor qty: 4
Detecting distance: 0.3~1.8m
Rated voltage: 12V
Rated current: 20~200mA
Ultrasonic frequency: 40KHz
Working temperature: -30~80 degree Celsius
Control box size: 9.8 * 5.8 * 2.2cm / 3.8 * 2.3 * 0.9in
Package size: 32.5 * 21 * 5.5cm / 32.8 * 8.3 * 2.2in
Package weight: Approx. 825g / 1.82lb

Package List:
1 * Main Control Box
1 * Rearview Mirror
4 * Parking Sensors
1 * Double Side Sticker
1 * Power Cable
1 * Hole Saw
1 * User Manual(English)