This product is wireless, and especially designed for auto modification. It will not destroy your original car appearance, but it will make your driving more fun! This dazzling logo signal light will project onto the ground every time you open the door and will be automatically turned off when you close your car doors.FEATURES:Projection design can warn others to avoid an accident3D projector light of illuminated entry systemLight to open doors. Projection design can give others a warning to avoid an accident.It can be installed in both left and right doors. Courtesy door light will make your car look artistic.Automotive lighting decoration with a pleasing visual light experience.Powered by 3x AAA batteries 4.5V (batteries are not included)Output power: 3WOperating temperature: -40 degrees~105 degreesDimensions: 6.5 x 6.5 x 1.5cmPackage Includes:2 x Wireless Car LED Projector Door Shadow Light