Ge, led11et8/gu840/1pk, 11w, cool white light color, frosted bulb color, t8 shape, linear led light bulb, equivalent to a 15w t8 linear fluorescent, degree beam, bi-pin base, 1,000 lumens, 4,000 kelvin color temperature, cri=80, 32 years year, 36,000 hours rated life, mol=18″, universal, fits any type of electronic or magnetic ballast, dimmable if used with dimming ballast/driver. For use with approved electronic ballasts.