8 Sensors Buzzer 22mm Car Parking Sensor Kit Reverse Backup Radar Sound Alert Indicator Probe System 12V 7 Colors Note: 1.If you are from Russian Federation, please leave afull name as the receiver name.Otherwise, you may not receiveyour items because of the regulation of your customs. 2. If you are from Saudi Arabia, please send the copy of your ID card.According to rule of Saudi Arabia, ID card is a must to do customs clearance. 8 Sensors Dual Core Parking Reverse Radar System (the parkingdistance can show on LCD Car Monitor ) Dual Core CPU Brand:K oo rinw oo Step-up buzzer alarm Detective distance from 0.3-2.5m Can be connected with camera and any rearview monitor and display distance on the monitor Votage 12V 4*Sensor cable lenght:2.5m 2*Sensor cable lenght:6m Sensor diameter:22mm alarm volume 65dB Storage temperature:-40~60degree Celsius Operation temperature:-40-60 degree Celsius Sound-BIBI When you brake, the front sensor and front camerawill together---the front sensorsdistance will show on the front image, when you reversing, the back and rear view camera will work together---the back sensors distance will show on the back image.