Then car alarm  with digital indicator distance and 3 color * 7 stages LED display, more as below:

Model: CBS-02 series
Function: This device can assist you to reverse you car/ vehicle smoothly safety,

Not to hit the obstacle.
Features:
1. Flat multi-colored LED display, easy installation.
2. One control box and 2 or 4 ultrasonic sensors .
3. buzzer built-in, Bi Bi ***** alarm in 7 stages and digital meter distance mode.
4. directional indicator of left and right
5. Various color sensors are available to fit the color of your car.

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Rate voltage: 12 V.
Operating voltage: 10.5~16V DC
Rate current: 10mA~ 100mA
Detection distance: 0.3 ~ 2.5m ( alarm from 1.5m)
Ultrasonic frequency: 40Khz
Working temperature: -20 ºC ~ + 80 ºC
Display size: 97L* 20* 25mm

ALARM STATUS:
Stage Distance Area Alarm Sound Digital Display
1 2.5 ~ 1.6M Safe Mode Silence 1.6-2.5
2 1.5 ~ 1.0M Safe Mode Bi*****Bi*****Bi 1.0-1.5
3 1.0 ~ 0.5M Alarm mode Bi.Bi.Bi 0.4-0.9
4 0.4 ~ 0.0M Danger Mode Bi 0

Standard certification : CE , FCC, RoHS

Package Includes :
LED displaydifferent
2 or 4 parking sensors

Control box
Hole saw, power cable, sticker
User's manual

Shipping Details:
The Seller will ship this product.

Shipping Charges Extra