1The system is a vehicle auxiliary device that can help the driver to safely change lanes during driving and avoid side collisions. 2As long as there are moving objects popping out from the rear of the vehicle, the LED lights will light up or flash to provide you with an alert. 3With the aid of an auxiliary ultrasonic sensor, it can detect whether there is a moving object entering the blind spot of the detection area on the side/back of the vehicle. 4When you are ready to get out of the car, please open the door, if someone moves backwards, an accurate warning will be issued. 524Ghz working frequency band, 20m detection distance, high sensitivity and stable performance. IP67 waterproof rating, not easy to be damaged. Item Type: Blind Spot Detection System Material: ABS Working Frequency: 24Ghz Voltage: DC12V Working Temperature: -40- +85 Power Consumption: topof amountain road 2. If the width of the road is narrow, two-lane vehicles may be detected. 3. The warning signal light of this system may affect the road or roadside stationary objects (such as guardrails/walls). /Tunnel/greenbelt, etc.) response opens. 2 x Radar 2 x LED Reminder Light 1 x Buzzer 1 x Power Cord 1 x Power Extension Cord 2 x LED Reminder Light Extension Cable 1 x Radar Cable 2 x Bracket 1 x Manual 10 x Cable Tie 2 x Adhesion Promoter 6 x Screw