Usage Tips:ENERGY SAVINGS: MR16 GU5.3 LED bulb 12V 5W equivalent to 50W halogen, 460lm brightness while saving up to 90% of your electricity bill, longer lifespan of up to 20,000 hours. MATERIALS: the pack of 12 GU5.3 LED bulbs with integrated safety fuse prevents the bulb from exploding. GU5.3 LED bulbs have more built-in chips, the light is more uniform, softer and less dazzling. No flicker or UV radiation. WARM WHITE 3000K & HIGH CRI: 460 lumens warm soft white light, high color rendering, recessed ceiling bulbs and track lighting bulbs ideal for living room, kitchen and bedroom. STANDARD BASE: bulb standard GU5.3 MR16, easy to install with 12V low voltage LED transformer, just plug and play, can be a perfect replacement for traditional halogen bulb. WIDE APPLICATION: Standard GU5 base. 3, Easy to mount on all GU5.3 base lamps. Suitable for indoor lighting, such as chandeliers, pendant lights, ceiling fans, window lighting, wall sconces, desk lamps, etc. Excellent lighting for living room, dining room, office and restaurant.