... Life time. Power,Power factor,Current, Voltage,and Annual power consumption(calculated by 10hrs/day);Weight: 6.5kg. Diameter of ball: 50cm;100cm ... , such as the lux , CCT, lumen, luminous efficiency , power , power factor , CRI ect . Your trust is our key! Let's ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Spectroradiometer(LT-SM901)CRI,Power , Pf, Voltage ,Current,Apc,cct,lumen