1. The buzzer will alarm when the obstacle is detected by radar, and two LED lights increase the night vision effect, let you park your car accurately, not worry about Scratched your car. 2. Easy to install and run. No drilling required. 3. When a vehicle enters 2 meters distance obstacle, video radar system indicating the obstacle distance. When a vehicle enters 1.2 meters distance obstacle, buzzer starts alarm. 4. Waterproof camera with 170 degrees wide viewing angle, expand the car rearview perspective; Waterproof camera shot to avoid the scoring from the rainwater and the slopes on the road. Make your driving and more convenient with this Radar Camera. Alarming Vol:70dB-90dB Detection Range:0.-2m Detection Angle:30 degree Current Consumption:less than equal 150mA Video Type: NTSC/PAL Waterproof Grade:IP67 Work Temperature:-40-85 Note:Due to different production batches, the styles and quantities of accessories are random and cannot be specified, which will not affect the use. Colour:Black Material:Plastic Package Contents: 1 * Camera 1 * 6m video cable 1 * 1.5m DC power cable 1 * installation accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.