HQTek 6Pack Orginal Epistar Mr16(GU5.3) Bi-Pin Warm/Soft White 3000K LED Spotlight 3w (both 110V& 220V workable , 240 Lumen -25watt Equivalent)(A) (6PC-3W-GU5.3-WW) Super Energy-saving as replacement for 25 watt Halogen light bulbs while last five times longer Safe work voltage for human being and generate less heat than traditional light bulbs 85V to 265V (Both 110V & 220V workable) ; Non dimmable; Dimension: 48(diameter)* 58mm Bit bigger size than usual MR16 standard shape and traditional halogen light bulb. (see size detail) Long lifespan: perfect for 24/7 constant use, application including accent lighting; art galleries; hotels, museums, offices, restaurants, retail and general lighting