Product introduction: This product is a new type of green car light source， already through the RDW E4 standard authentication. The lamps， no noise， no pollution without electronic interference， with the German advanced constant-current control technology， and shine even， light color full， lasting constant Product parameters: Working voltage: 12 V Output work rate: 7 W Work environment temperature:-40 degree ~ 105 degree Lamps size: long， 3.7 CM， 1.8CM in diamete Product features: Automobile decorative lighting， provide the delightful light visual experience. This Logo ground projecting LED light is specially designed for auto modification fancier; we purpose to bring more driving fun to drivers; The dazzle logo light will display on the ground when you open the car door ，and will turn off when you close the door; It can be installed in both left and right door.Courtesy door light make your car artistic moreover the atmosphere. Why I buy Car Door LED Logo from you? 1. The newest 6th generation Car Door LED light 2. With no drill type， don't destory anyting of your car 3. Using CREE LED chip， better effect in brightness & stability