Universal 24Ghz Millimeter Wave , 20M BSD Blind Spot System, Lane Change Aist, Highlight Warning LightFeatures:-BSD System: Helps drivers to monitor their blind spots and effectively improve driving safety in the following driving environments. The system is a vehicle auxiliary device that can help the driver to safely change lanes while driving.-24Ghz Millimeter : This system product can warn the dangerous targets in the adjacent lanes. The unique ability of 24Ghz millimeter to penete e, fog and dust can realize all-weather and all-time application, detect the objects in the signal area in real time, and calate the speed, angle and relative dispment of objects at the same time, and finally output the alarm signal, which includes the first-level alarm and the second-level alarm.-Early Warning: During driving, when the side and rear vehicles are in danger of colliding with my car, the warning light will light up to remind the driver. If the left/right turn signal is turned on, it will be accompanied by an audible warning.-The blind spot system can distinguish between stationary objects and moving objects. Stationary objects do not alarm. Pedestrians and vehicles in a driving state will sound an alarm when they are detected.-When waiting for ffic lights: After parking, the car behind is still, and the blind spot system does not alarm.-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:Applicable conditions: Universal (There must be no metal objects in front of the 2 signals to blothe )Operating frequency band: 24GhzWorking voltage: 12-24VPower consumption: LED light turn on.Method 2 => LED f and sound.Packing List: 2*(Cable length approx. 1M). 1*Power cord(Approx. 2M). 1* extension cable(Approx.1.5M+2.5M). 1*Power extension cable(Approx. 4.5M). 2*Warning light extension cable(Approx. 2M). 2*Mounting bracket. 1*. 2*Highlight warning light(Cable length approx. 0.25M). A few* Cable ties. 1*Angle ruler.2*Sticker. 1*User manual.Note:It is recommended that the installation be carried out by profeionals.The installation angle of will affect the distance and effect. Please install it strictly according to the instructions.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.