【12V LED Spotlight】: These bulbs work with 12V AC/DC. Do not install the MR16 GU5.3 12V LED bulbs directly into the standard 100V or 220V home lighting system, otherwise it may cause a short circuit or damage the bulb. 【Energy Saving】: 12V GU5.3 LED 3W with 60 SMD 2835 LEDs, 500LM, cool white 6500K with a 120-degree beam angle. These low-voltage bulbs are ideal alternatives to 30W GU5.3 halogen lamps and can save over 85% energy. 【Safety and Eco-Friendly】: 12V MR16 LED Ø50mm. This bulb is not dimmable, please do not use dimmers as they may cause flickering or noise. No lead or mercury. No UV or IR rays. No noise or flickering. Ideal lighting for campers/caravans. 【Easy to install】: MR16 GU5.3 12V LED spotlight, small size (Ø50x46mm), easy to install, perfect for replacing the traditional MR16 GU5.3 halogen bulb. Instant lighting, no need to wait for the bulb to warm up. The average lifespan is 30,000 hours. 【Applications】: The AC/DC 12V GU5.3 3W LED spotlight is perfect for accent or