1.Automatically starts working as soon as reversing the car.
2.Bi Bi voice warning.
3.Embedded detector sensors which requires installation into your rear bumper.
  You can choose the model with 2, or 4, or 6, or 8 sensors.
4.Power output: 4W; Power supply: DC 10-15V / 24V; Work temperature:-40℃-+80℃;
 Alarm distance:2m-0.3m; Buzzer volume: 80db; Screen type: Digital tube
5.Wireless parking sensor,then it is no need to run a wire from the front of the vehicle   to the rear,just connect the sensors and control box at the back of the vehicle.
6.Speaker car parking sensor,it can tell you the alarm distance in english timely.
7.Flashing sensor,water-proof sensor,any colour sensor available.
Price for basic model,not including cost of the wireless & speaker functions.