Energy efficiency class: C35 4W LED bulb, 400 lumens, bright as a 40W halogen lamp, consumes only 10% energy and saves more than 90% of your energy costs. No radiation, no mercury, safe and environmentally friendly. Soft light: Our 6500K C35 LED has a pleasant, cool white light that does not flicker. The transparent glass provides high light transmission to create a comfortable viewing environment. No flicker, protect your eyes. Low heat: Wulun Edison bulbs do not produce excessive heat and reduce the attraction of mosquitoes during the warm season. Application: Ideal for chandeliers, ceiling lights, wall sconces, table lamps, floor lamps, etc. Check if they are suitable for your accessories. The unique candle bulb design adds elegance and richness to the environment Non-Dimmable: Please do not use the Dimmer with these bulbs, otherwise they will flicker or buzz