Features:Garage Parking Aid: This parking aid, whether it is day or night, the eye-catching LED light and alarm sound remind you to parking at a safe parking distance. Avoid damage to your car.How it works: It uses adjustable ultrasonic ranging technology to accurately locate the vehicle within your desired parking limits.MULTI-FUNCTIONAL: Garage Parking Stopper, Garage Parking Indicator, Garage Parking Assist, Simple Traffic Light Shows Distance.PRACTICAL: The adjustable garage parking sensor is designed to take the guesswork out of parking in tight garage spaces.Easy to Install: You can use double-sided foam tape or screws to mount it on the wall. Installation is simple and the sensor can be installed almost anywhere.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementMaterial: ABS