Specifications Size: 62x67x14mm Color: Black Power Supply: 3 x AAA battery (Not Included) Sensor control and ON/OFF switch control Note: Keep the door panel clear and dry, stick it with all your power; If it falls in the future, contact us for help. 2 Pieces of lights in the package, it supports 2 doors. User Manual: This product is wireless especially unique designed for auto modification fancier and it will not destroy the original appearance. We purpose to bring more driving fun to drivers. The dazzle logo light and the signal light will display on the ground when you open the car door and it will be turn off when you close the door. It can be installed on both left and right doors. Courtesy door light makes your car artistic moreover the atmosphere. A: Install instruction about the batteries. Put 3 pieces AAA(1.5v) batteries in the battery case and install them according to the positive & negative the marked in the case. Then close the batteries case jacket. B: Install instruction of the shadow light. Stick the car light on the car door. The distance between the Magnet & Car light is about 10mm. When closing the car door, the Magnet is at the interface of the sensor in the car logo light. C: Automatic Control & Manual Control. When you open the door, the logo will be shown on the ground, and it will be off automatically after lighting on 2 Minutes. If you want to off the light, just need to press the button on the head of the light. When the light is off with the car door open, you can also press the button to control the light on. And the light will be also off automatically after lighting on 2 minutes. D: Some cars can not Stick the Magnet on the car frame as there is no space for it. So it can only use Manual Control.