... hours 4)OEM and SKD both accept Linan most powerful full spiral 85w energy saving light 1.100% tri-color2.saving 80 ... both acceptable5.optional housing :PBT6.average time:8000hours Linan 26w full spiral T4 glass lighting7.color rendering index:808.power factor:0 ... lighting business . Energy saving lamps are our main lighting produtcs.Full spiral ,half spiral ,2U, 3U, 4U,5U, Lotus shape and various lamps ...