Amzdeal&reg; Pack of 4 Pcs 3W Mr16 LED Light Bulds Spotlight Set, Cool White, Dc 12v, 30 Watt Incandescent Equivalent+60 Degree Super Energy-saving as replacement for 30 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: DC 12V 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