How Nice Non-Dimmable 12V 4W MR16 LED Bulbs - 3200K Warm White LED Spotlights - 50Watt Equivalent - 330 Lumen 60 Degree Beam Angle for Landscape, Recessed, Track lighting - Pack of 10 Low 12W lighting product, safe work voltage for human being and generate less heat than traditional light bulbs Super Energy-saving as replacement for 50 watt Halogen light bulbs while last five times longer Low Voltage: 12V AC/DC compatible; MR16 standard shape: Bi-pin base (GU5.3), 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