welcome to our Smile shop Car Blind Spot Monitoring System Ultrasonic Sensor Distance Assist Lane Changing Tool Blind Spot Mirror Radar Detection w alarm+LED For car Security parking prevent side collision heavy rain, fog so great on Parking Assistance Ultrasonic Blind Spot Detection System BSD Change Lane Safer BSA BSM Blind Spot Monitoring Assistant Car Driving Security Description 1. Designedforuseonallpassengercarsandtrucks 2. Eliminatesblindspotsontherear-sideareasofvehicle 3. Makeslane-changingsafer 4. High-speedfrequencysensorsfortheleft-rearandright-rearofthevehicle 5. Detectionrange:3Meters 6. Buzzerwarningindicatorsforrightandleftside 7 .Warningindicatorswillilluminatetowarnyouofanobject 8. Audiblebuzzerforproximityreadings 9. Systemisactivatedwiththeturnsignals 10. Sensorscanbepaintedtomatchthecolorofthevehicle Full set 1 * control box2 *warning lights 1 *Buzzer 1 *set of harness 1 *set of installation kits 3 *wires 1*instruction 1*color box Makeslane-changingsafer especially on rain/ fog/ frost bad weather Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia