Vehicle blind spot detection system in car BSD warning Light alarm driving safety monitoring change of lane assisted by parking blind spot Functions:Radar transmits signals to lights, there are two states, 1 is always on, 2 flashes.Tier alarm 1: reminder light is always on. Level 2 alarm: the warning light flashes the buzzer sound.Normal equipment condition: 1) when the device is turned on, the left and right light indicators flash 3 times with respect. 2) when the speed of the car exceeds 15 km/h and there is a target car in the blind area,the indicator light lights up and the control buzzer will sound,a indicator light flashes. Technical data:Product Name: Blind Spot Detection System Warning LightLight Color: RedType: UniversalCondition:1 is always on, 2 flashesSupports operating voltage: 12VWorking temperature:- 25 75 (-13 167 )Net weight of the product: 27gQuantity: 2Package:2 pcs. Due to the difference between different monitors, the image may not reflect the actual color of the item. We guarantee that the style is as sam as shown in Figure.2.