ENERGY SAVING: These 5W LED golf bulbs are as bright as 40W incandescent bulbs, but use much less energy and are very environmentally friendly, saving 85% of your electricity bill Excellent performance: Color Rendering Index (CRI) over 80, delivering vivid and natural colors, 500lm quick start, 280 degree wide beam angle, 3000K warm white light for comfortable atmosphere Reliable Quality: 30,000 hours lifespan, you don't need to change the bulb frequently. Our screw-in LED bulbs have no buzzing or buzzing, no flickering and no harmful substances making them very safe to use EASY TO INSTALL: The LED B22 bayonet bulb is very easy to install, just push the bulb into the empty B22 base in seconds, no tools required Wide range of applications: Ideal LED bulbs are suitable for indoor use, such as pendant lights, table lamps, floor lamps, living room, bedroom, dining room, cafe, hotel, etc.