GRV E27 6-2835 3 Way Color Temperature LED Globe Blub Lamp Ceiling Light AC 110V~120V 3W White/Natural white/Warm White Pack of 1 Super Energy-saving Turn off the power before installation Working environ ment temperature: -20~40 degree No Hg / No IR / No UV Not sultable for enclosed fixtures . It may speed up lumen depreciation and shorten lamp life if application in enclosed fixtures .