Feature Copper Belt+ Copper Core Fast cooling+ Save Space Product Information Quantity: 2 Pcs Chip Type: CSP Chips Color Temperature : 6000K White Lumens: 20000LM/Pair Operating Voltage : DC 9-16V Power : 70W/set Waterproof Rate: IP 68 Operating Life: > 30,000 hours Warranty: 2 Years Note 1. This bulb is WITHOUT canbus system, fit for 95% of the vehicles. For vehicles need canbus system it may show errors or flickering after using the LED. 2. About the adapter: Some H7/H1 lamp holders of some cars are not standard designs, and additional lamp holders are needed . If you are not sure whether you need an adapter, please contact our customer service and attach a photo of the lamp holder structure. We will provide aist