HQTek Orginal Epistar 1 Pack Mr16 LED Spotlight 12v 4w (330 Lumen -50watt Equivalent) 2700-3000k Warm White 30 Degree Beam Angle Super Energy-saving as replacement for 50 watt Halogen light bulbs while last five times longer Low 12volt lighting product, safe work voltage for human being and generate less heat than traditional light bulbs Low Voltage: 12V DC compatible; Non dimmable; W50 * H53mm; MR16 standard shape, 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