HQTek Orginal Epistar 1 Pack E27 LED Spotlight 85v to 265v, 110v,220v, 4w (330 Lumen -50watt Equivalent) 6000-6500 Cold White Super Energy-saving as replacement for 50 watt Halogen light bulbs while last five times longer 85v to 265v, 110v & 220v both workable, safe work voltage for human being and generate less heat than traditional light bulbs Non dimmable; W50 * H63mm; Approved with CE & RoHS directly replace traditional halogen light bulb; Long lifespan: perfect for 24/7 constant use, application including accent lighting; art galleries; hotels, museums, offices, restaurants, retail and general lighting