... rohs certification 3,50000h life span 4.DIY&OEM led lamp Specifications1.Input Wattage: AC85~265 V2.Frequency; 50~60Hz3 ... (THD): <20%9.Power Efficiency/%: >8810.Lumen: 90lm/w11.Lamp's Efficiency /%: >9012.Color :white/Warm white /Red/Yellow/ ... , dining-room,meeting room, drawing room,showroom, shop,corridor, telephone booth,studio and exhibition etc.Measured Technical data:Specifications: Light ...