Universal Fit - 2PCS Wireless car door led welcome laser projector logo light , No drill hole needed, Wireless design, with the 3M adhesive sticker. Just stick the light lamp on the door panel and stick the magnet on the bottom of the car frame, no damage to the car. Highly Recommend- This car door projector LED Logo lights vividly project your favorite logo onto any floor surface. When you open your vehicles door, your predefined logo will surely catch the eye of onlookers. Magnet Sensor Design- Magnet sensor for auto-control & Button controlled. It will light up when you open the door and turn off once you close the door. powered by 3pcs AA batteries (Package Not Included).ps: Under cold weather, pls warm the adhesive stickers a little with a cigarette lighter to stick better. Fun & Gift- This welcome light is a DIY product. It will bring the fun of modification and make your car look new and feel more comfortable. No damage to the car.Best gifts for relatives, friends, colleagues, parents, brothers and sisters. Satisfaction Guarantee- We know how important the quality products is to you, just rest assured, if any dissatisfaction occurred on our car door lights, you are always welcomed to contact us for exchange or refund without sending back your car door lights, we will reply to your Email within 24 hours.