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 spotlightHigh Lumens:Using High Quality Led chip, High luminous efficiency.72W @12000LM Each Bulb, Total 72W @ 12000LM Per Pair, 5 times brighter than halogen lightshigh 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 beamWaterproof:Well sealed, high waterproof rating, IP67Features:Power: 72W/setLuminous 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 angleMaterial: Aviation 6063 aluminum profileOperating Temperature: -40-80 degree CelsiusOver 30000hrs lifetimeUsage: headlight,fog lightTwo-way heat dissipation channel1.All-in-one aluminum profile as heat conduction system, 360 degree heat radiatingPackage Included:2x LED Car Headlight BulbsDifferent Model Sockets for LED Car Headlight Bulbs and SizesThe below information is for H4 Car headlights bulbs