... for indoor useMaterialPure ceramic body+glass coverCertificationCE,ROHS,SGS and ISO9001Ambient Temperature-25°C~+60°CColor temperatureWW(2700-3300k) ... )Good ventilation,making the led bulb more durable6)Safer to operate and cut energy costs 7)70%-80% less energy than ... natural resources.Application: Led lamp/bulb applys for indoor use,such as household,dwelling house,dormitory,store,hospital,office, ...