a:U type energy saving lamp b:80% energy saving c:8000Hours lifespan d:High quality with low price e:Tri- ... deposit ,or L/C opened Features:1.High Luminous efficacy by using tri-phosphor 2.Excellent ... Wide range of input voltage 160~250v7.80% energy saving8.Optional Base :E14,B15,E27,E26,B229. ... Plastic housing : PP,PC,PBT10.Flicker free and instant start Apps:House,Office,Restaurant,Classroom,Workshop, ...