Kakanuo E17 LED Bulb Microwave Oven Light 4 Watt Daylight White 6000K Non-dimmable 52x2835SMD AC110-130V (Pack of 2) Shatter resistant,Non-bug-attracting,Shock and vibration resistant High color rendering index, Ra&gt;80. This bulb can show the real color of objects well. Cool white/Daylight color temperature provides very bright light, proper look to food when cooking. E17 base is about 5/8" in diameter, larger than a E12 candelabra. It is a threaded fitting that screws into the socket and is considered a medium sized fitting. Lower Consumption and Higher Brightness. Using 4 watts for up to 360 lumens of brightness, equivalent to 35W halogen bulb. Save 90% on electricity bill of lighting. Made with ceramics and PC material, fashionable looking, durable and excellent in heat radiation. Mostly used in large Christmas lights, over counter microwave ovens, ceiling fan light fixture, etc.(DON'T install the bulb inside microwave oven.)