【12V LED Spotlight】: These bulbs operate on 12V AC/DC.Do not install MR16 GU5.3 12V LED bulbs directly into standard AC 100V-220V home lighting system, otherwise it may cause short circuit or damage the bulb.【Energy saving】: 12V GU5.3 3W LED with 60*2835 SMD LEDs, 500LM, cool white 6000K with 120 degree light angle.GU5.3 12V 5W is an ideal substitute for GU5.3 35W 50W halogen lamp, saving power consumption more than 85%.【Easy to install】: MR16 GU5.3 12V LED spotlight, small size (?50x46mm), easy to install, perfect for replacing traditional MR16 GU5.3 halogen bulb.Instant lighting, no need to wait for the bulb to warm up.Average lifespan is 30,000 hours.【Safety and ecology】: ?50mm MR16 12V LED.This bulb is not dimmable, please do not use dimmers as they may cause flickering or noise.No lead or mercury.No noise or flickering.ideal lighting for motorhome/caravan.【Applications】: AC/DC MR16 GU5.3 12V LED spotlight is ideal for additional or indirect lighting.Used for bathroom, living room, wardrobe, entrance hall, hallway, kitchen hood, extractor hood, display cabinet, bookcase, office, etc.Ideal for interior lighting for caravan/motorhome, photovoltaic system.