1. The parking sensor is adjustable, allowing you to aim at the place you want in your vehicle so you can park in the same place consistently and accurately. 2. Parking each time in the same place reduces the possibility ofdamage to your vehicles, walls or other objects. 3. The parking system works by detecting when a vehicle is approaching and emitting a bright light. 4. The location where shines on the vehicle depends on where on the roof you choose to mount it. 5. Guided parking system also helps you get out safely. Name: Parking Sensor Input voltage: 110-220V Output voltage: 5V Battery: 3*AAA batteries (not included) Operating mode: body induction Note: Do not disconnect the light for Applicable to: garage, underground parking Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or