The BI Healthcare BICL002A ceiling light is The new LED light , energy saving and eco-friendly, is with ultra-long service life , up to 30,000 to 50,000 hours. CAD modularized designed multi-LED-lighting-beam produces lighting depth more than 1,400 mm,with up to 160,000 Inx of central illumination and 3,500~5,000k adjustable color temperature close to natural sunlight, to exactly image human tissue colors and completely meet illumination requirements of all kinds of operations. OSRAM led bulbs, adjustable focusing, adjustable color temperature, adjustable CRI Diameter(mm):700 Illumination(Lx):?160,000 Color Temp(K):3500-5000 Color Rendering Index(%):?93 Diameter of light spot(mm):120-350 LED power(W):120 Illumination Depth(mm):700-1500 LED service life(H):50000 Genuine cold-light source