Description: Lumens: 20000 lumens/pair Power: 50W/bulb 100W/pair Operating Voltage : DC9-18V IP Rate : IP67 WaterProof Light Source Model : 12pcs GC5530 CSP Color Temperature : 6000K White Heat Diipation: Theory Aviation aluminum 6063 Operating Life: >30,000hrs Operating Temperature: -40C~+80C Compared with halogen bulbs: Brighter 350%+ Socket: H4/9003/HB2 Application: Headlights/Low Beam/High Beam Features: 1.CANBUS No Error Design Built in high quality constant IC can keep the current and voltage stable,Anti- interference circuit design Apply to most of car models Simple installation, no warning on PC board, means error warning free or ok for canbus for 99% cars 2.Unique Reflective design 45Reflective Surface Design Unique reflective design, Full use of original car reflector Original car lighting shape High efficient lighting 3.Good Heat diipation Made by high quality aluminum alloy housing can, Aluminum alloy shell acts as radiant heat sink, ensure the secure temperature range. 4. Installation (1:1 ) size design 10 Mminutes Quick Installation No Installation Space Restriction