High brightness - 52 piece 2835SMD, high color rendering Ra 85350lm, 360 degree beam angle, provide you and your family with comfortable 6000K daylight white. Super energy saving -- 4W E17 led bulb replaces 40W E17 halogen bulb. Lasts longer at lower energy costs. Save up to 90% of your electricity bills. Easy to install - the standard E17 bulb holder is suitable for all ordinary E17 halogen bulbs. Easy to install. Work safely under AC110-130V. You can adjust the brightness using the LED dimmer. Widely used - unique design, no mercury, no flicker, no . Suitable for ceiling fan lamps, counter microwave ovens, , wall lamps, etc. Colour:As shown Material:Ceramic+PC cover Package Contents: 2 x bulb Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.