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 effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS Package List: 1 x Garage Parking Sensor