YADA Magnetic Parking Sensor - brand new with box - $80 firm PRODUCT FEATURES: - Parking sensor can detect obstacles, cars, people or objects, behind your vehicle when in reverse and send clear audio warning alerts - Backup and park with confidence - No drilling is required, and is easy to install on the inside of rear bumper - This unit is designed for non-metallic bumpers, installing this unit on bumper made out of metal might cause the device to malfunction PRODUCT SPECS: Working Voltage: DC12V +/- 2V Current Consumption: <50mA Working Temperature: -20 ~ +70 °C Maximum Detection Range: Up to 2.2 feet