Features: 1Adopts a blind spot detection system featuring one transmitting and multi receiving. 2IP67 dustproof and waterproof makes it free to work normally under circumstances of poor visibility (such as rain, fog, night). 3Independent action system with no need to connect OBD. 4Installed on both sides of the back bumper to ensure invisibility. 54-in-1 function: blind spot detection warningBSD), lane change alertLCA), rear cross traffic alertRCTA), door opening warning. 6LED light will blink and the buzzer will alarm when the turn light is on and there is vehicle in blind spot. 7After starting the vehicle, BSD system would start-up and LED light will turn on when there is vehicle in blind spot. 8Widely application and universal for all 12V vehicles. Condition: brand new Item Type: Blind Spot Detection System Material: ABS LED Detection Range Accuracy: 0.1 Maximum Detection Range: 15Meters/49.2ft Warning Range: 3-15Meters/9.8-49.2ft System Warning Accuracy: 0.1M Warning Method: Sound & light IP Rating: IP67 Warning Time: Minimum warning reaction time 0.75sec Rated current: 130ma50ma Working Voltage: 12V Working Frequency: 24GHz-24.25GHZ Level Angle: Frequency emission 42x80 Speed Range: -20m/s~20m/s, 72M Working Temperature: -45C~85C Package included:2 x BSD Sensor&nbsp2 x Notifiers&nbsp1 x Buzzer&nbsp4 x Wiring Harness2 x Install Bracket8 x Bind&nbsp1 x Probe Feet8 x Screw