Socket/Plug Type: H1: single Beam (72W/set, 36W/bulb) H3: single Beam(72W/set, 36W/bulb) H4: Hi-Lo Beam(72W/set, 36W/bulb, Low and High beam) H7: single Beam (72W/set, 36W/bulb) H8/H9/H11: single Beam (72W/set, 36W/bulb) 9005:single Beam (72W/set, 36W/bulb) 9006: single Beam (72W/set, 36W/bulb) 880:single Beam (72W/set, 36W/bulb) Beam: Using High quality Led Chips and Special design,provide better light type,shape in a line and spotlight High Lumens: Using High Quality Led chip, High luminous efficiency. 72W @12000LM Each Bulb, Total 72W @ 12000LM Per Pair, 5 times brighter than halogen lights high quality LED Chips and long life-time; Solid rivet fixing (Many other car headlight chips are fixed by screws; they are easily to fall off) Material: Car headlight bulbs made of Aluminum alloy helpful for heat dissipation and longer lifespan. Clip Socket: Solid metal clip, 360 degree rotatable to adjust the beam Waterproof: Well sealed, high waterproof rating, IP67 Features: Power: 72W/set Luminous Flux: 20000lm/set (10000lm/bulb) Operating Voltage: DC 9-36V(fit 12V, 24V vehicles) Color Temperature: Pure White 6000K and cool white 8000K( Cool white but a little bulish) IP65 rated water and dust seal,360 degree beam angle Material: Aviation 6063 aluminum profile Operating Temperature: -40-80 degree Celsius Over 30000hrs lifetime Usage: headlight,fog light Two-way heat dissipation channel 1.All-in-one aluminum profile as heat conduction system, 360 degree heat radiating Package Included: 2x LED Car Headlight Bulbs Different Model Sockets for LED Car Headlight Bulbs and Sizes The below information is for H4 Car headlights bulbs