Super Energy-saving as replacement for 50 watt Halogen light bulbs while last Low Voltage: 12V AC/DC ; DIMMABLE when working with electronic dimmers MR16 standard shape: Bi-pin (GU5.3), directly replace halogen light bulb Long lifespan: perfect for 24/7 constant , application including accent lighting; art galleries; hotels, museums, offices, restaurants, retail and general lighting Dimmable LED bulb, Color temperature: 3200K, Durable Package : 1 Material: aluminum This 12V LED light bulbs is widely used as lighting or accent lighting in shops, offices and the home. The 12V bulb has a long lifespan, no hazardous materials, completely no Mercury. Save energy comparing to ordinary bulbs. Package include:1 x MR16 4W LED Note:Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.