5w LED dusk till dawn light bulb Built in Sensor which Comes on in the dark & automatically Turns off when its Daylight This is very fine replacement the old style bulbs. High performance New generation LED inside with Super Bright light output, Constructed to high quality with life. Good Performance--Daylight(Crystal) white 6500k, 15 lumens, give off a cozy and fresh illumination. Perfect for home lighting. Widely Used--The E27 medium screw base bulb works with dusk to dawn sensor. It comes in GLS shape with CB B22 and E27 ES Base, VERY Long Life, NOT Dimmable. It can be used as a common LED light and for special purpose with its multifunctional design. Prefect for general purpose room lighting, Night Light, Outside Security Light Specification: Item Name: Dusk to Dawn Sensor LED Light Bulb Product Size: 60x 60mm x 110mm Power: 5W Operating Voltage: 85-265Volts Light Colour: Cool white Colour Temperature: 6500K Dimmable: No, Not to be used on Timer, sensor or Dimmer switch. Use: Indoor or Outdoor Package Includes: 1 Piece Bulb(2 Pack)