Description Features: 1.During the driving process, when the side or rear vehicle is in danger of collision with our vehicle, the LED lights will to remind the driver; if the left/right turn signal is turned on, it will be accompanied by an audible warning. 2. Start to monitor the blind area when the car is started. When you open the door, if there are cars, pedestrians and motorcycles behind, they will be monitored and the alarm will be accurate. 3. Our blind spot monitoring can distinguish between stationary objects and moving objects. Stationary objects will not alarm. Vehicles, pedestrians, bicycles and motorcycles in a driving state will sound an alarm when they are monitored. 4. When for traffic lights: After parking, the car behind will stand still, and no alarm will be issued in the blind area. 5. Normal driving: When the car behind is slower than us, there is no danger of collision and there is no warning; similarly, when we overtake, the speed is faster than the car behind and there is no warning. Specifications: Working voltage:12V Working frequency band:24Ghz Working temperature:-40~ +85 Power consumption: Less than 2W Water-proof level:IP67 Distance resolution:0.5m Range accuracy:Superior to 0.18m Detection distance:20m Transceiving antenna: single sending and single receiving Radar chip: Microcontroller chip: Block the third : No Same speed follow warning: No B-pillar warning: No blind spot monitoring: (power on) LCA change assist: (power-on start) AOA overtaking warning: No RCTA reversing warning: No Material: ABS colour: black Package Contents: 2 x 24Ghz millimeter wave radar 1 line with buzzer 1 extension line(5m) 2 x Extension line of indicator lamp(4 meters/piece) 1 x Radar line 2 x Mounting brackets 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.