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 Ruian Federation, please leave a full name as the receiver name.Otherwise, you may not receive your 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. Highlights:If you want other color, please send us a picture when you order. Thank you very much. 8 / 6 / 4 Sensors Dual Core Parking Reverse Radar System ( the parking distance can show on LCD Car Monitor ) Dual Core CPU Step-up buzzer alarm Detective distance from 0.3-2m Can be connected with camera and any rearview monitor and display distance on the monitor Votage 12V Sensor diameter:22mm System: CVBS alarm volume 65dB Storage temperature:-40~60 degree Celsius Operation temperature:-40-60 degree Celsius Sound-BIBI Working principle: 6/8 Sensors, when you brake, the front sensor and front camera will together---the front sensors distance 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. 4 Sensors, When you are reversing,the back and rear view camera will work together---the back sensors distance will show on the back image. 8 / 6 Sensors can connect to Front and rear view camera , but 4 sensors item cannot connect to front camera, parking guide line is not from the parking sensor 8 / 6 sensors Distance showed 4 sensors Distance showed 8 / 6 Parking Sensors 4 Parking Sensors