... and other underground places 1,Input(VAC) :85-2652,Power:50-120w3,Color Temperature(K):3000-75004,Angle:90°-140 ... in the technology of high power semiconductor illumination. Light source features:1),Low power consumption:only one tenth of power expenditure of incandescent lamp ... under same brightness.2),Long service life:chip service life is 100,000 hours.3),High ...