... filament light, 60% than fluorescent light, can take place of traditional filament light.7.High directivity of light, easy to control, improve ... the efficiency of lighting.8.Solid light, high antiknock characteristic, convenient for transportation and install, ... )Life time50,000 hours50,000 hoursWeight210±5g388±5gSize: Light type:Packaging:Inner box: L613*W31.5*H31. ...