90% energy saving, MR16 LED Bulb 5W Equivalent 50W Halogen Spotlight Bulb. Standard MR16 12V Shape with GU5.3 Bi-Pin Base. 5000K daylight white, Perfect for matches the brightness & color of halogen bulbs. Safe and Reliable-only works with AC/DC 12V, please avoid higher voltage,mercury free, instant on,No UR/IR/Radiation. Giving you 400 lumens of crisp, quality lighting. Provide more light to your kitchen, bedroom, living room, office, or any space for brighter home lighting.