IARR 8 12V 4W MR16 LED Warm White Bulbs 6000K Daylight LED Spotlights 50W Equivalent 330 lm 60&deg; Beam Angle for Landscape, Recessed, Track Lighting Application including accent lighting; art galleries; hotels, museums, offices, restaurants super energy-saving as replacement for 40 watt halogen light bulbs while last five times longer 12volt , safe work voltage for human being and generate less heat than traditional light bulbs Long lifespan: reduce re-lamp frequency No dimmable