This product is a 4 sensor system for front bumper protection, they can also work as 2 sensor systems. Combined with functions such as automatic audio mute, self-test and learning function, you can enjoy a convenient and easy parking experience.

Specifications:
- 4 front sensor system with audible buzzer alert
- Can be used as 2 sensor system
- Can be upgraded to display (optional)
- Designed for front bumper protection
- Metal ECU case assures no interference with vehicle electronic system
- Can be added to vehicles with existing rear parking system
- Accurate detection even in heavy rain
- Self test function
- Detachable sensor with insulated cable and water resistant connector
- All weather design (-40C ~ +85C)
- Input voltage: 9~16V DC
- Operating current: <250mA
- Sensor installation height: 45~60cm
- Detection range: 0.3m/1.0ft~0.9m/2.9ft
- Buzzer SPL: 70~90dB