Parameter of car Logo Light:How to install?1.there are two wire should be connected to the wire of the original car.one is +12V wire, this wire should be connect to door side light or top light in car.2.open the door,remove the plastic door panels with the tool.3.choose the fit postiton to drill a hole, same size as the lens oflaser LOGO welcome light.4.fix thelaser LOGO welcome light with screw tightlyWe are specializing in HID Conversion kits, HID Xenon lamps, HID Xenon ballasts, LED Daytime Running Lights and other LED lamps.Our products have been approved by ISO9001:2000, CE and E-MARKcertifications.Hopewe are helpful for you.18monthsWe willreplacenew ones or fix without charges if anyquality problems within the warrantytime.