... 10%;after 2000hours,20%4)Lumen Maintenance:70%7.Effective lighting reflection8.Water proof.IP=559.EMC10.Switching times:>1600011. ... pieces15.Supply Ability:2,000,000 piece/pieces per month and OEM is accepted16.Certified:ROHS,CE,SAA,SASO,EUP, ... Green and environment-friendlyApplication:Widely used in homes,offices,stores and supermarkets or as street lights. R63 energy saving lamp with good quality and ...