... , 50Hz/60Hz, 3.330lm-420lm LED Light 4.50000h life Description:E27 globe bulbsItem NumberXO-G-51-CPower7WattsLED ... office work station.3) Back lighting, step lighting, light boxes.4) Merchandising, exhibition stands, and panels.5) ... shop. Sample Testing:Packaging:Why do we choose LED lights:1) Energy-efficient, energy saving;2) ... ;4) Low brightness degradation: 3%. 7W E27 led lamp 330-420lm 2700K 110v