GU10 High Power 4W LED Spot Light Warm White LED Light Replacement Bulb With 50,000 Hours LED Lifespan High Power 1W, 3.3V ~ 3.6V, 90 ~ 100Lm Luminous Flux, Warm white, 2800K ~ 3500K Color Temperature, Low heat generation KonWin Chip with 50,000 hours Lifespan. High power 90% efficiency Driver, Adopting high quality capacitor, support overload and Overcurrent protection. Aluminum Base Plate Material,1.5mm Thickness PCB Supports 4 LED lamp with High temperature resistant. GU10 Socket,Adopts Stainless steel metal material,Compatible for worldwide household AC 85V ~ 265V,Flame-retardant hard plastic. Oxidation Aluminum Alloy,Heat dissipation Die-casting Hosing, Die-casting Workmanship With good rigidity and durability. Excellent Heat Dissipation.