【Compatible Models】Perfectly matches any brand of car, you can choose exclusive projection patterns according to the car brand to upgrade your car. 【Easy Installation】Wireless design, using 3M glue, no wiring installation required, reducing the trouble of drilling. 【Intelligent Induction】This welcome light is equipped with a magnetic induction device, which lights up when the door is opened and turns off when the door is closed, bringing you a fully automatic experience. 【Strong Safety】High brightness, can illuminate the ground and the situation outside the car door, preventing accidents at night. 【Super Bright and Clear Logo】We use the latest high-intensity laser chip, the car logo is brightly projected on the ground, beautiful and practical. Specifications: Output power: 1.5 W Dimensions: 6.5 x 6.5 x 1.5 cm Operating temperature: -40 degrees ~105 degrees Powered by 3 AAA batteries 4.5V (batteries not included) Install Instruction: 【1】Install instruction about the batteries: Put 3 pcs AAA(1.5V) batteries in  the battery case and install them according to the positive & negative as  marked in the case. Then close the batteries case. 【2】Install instruction of the shadow light: Stick the Magnet on the bottom of  the car frame. Stick the car light on the car door. The distance between  the Magnet & Car light is about 10mm. When you close the car door, the  Magnet is at the under face of the sensor on the car logo light. 【3】Automatic Control & Manual Control: When you open the door, the logo  will be shown on the ground, and it will turn off automatically after 2  minutes. If you want the light on/off, just need to press the button on the  head of the light. One set includes 2 pcs, suggest you buy 2 sets for 4 doors of your car! Package includes:  2pcs x Ghost Shadow Car Door LED Welcome Laser Projector Decoration Logo Light.(For 2 doors)