Lot of 10 Dimmable 12V 4W MR16 LED Bulbs - 6000K Daylight LED Spotlights - 50Watt Equivalent - 330 Lumen 45 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: 12VDC; DIMMABLE when working with electronic dimmers MR16 standard shape: Bi-pin base (GU5.3), directLY replace traditional halogen light bulb Long lifespan: Reduce re-lamp frequency. Application including accent lighting; art galleries; hotels, museums, offices, restaurants, retail and general lighting