Applicable to highway tunnel,railway tunnel,subway and other underground places 1,Input(VAC) :85-2652,Power:50-120w3,Color Temperature(K):3000-75004,Angle:90°-140°5,Color Rendering Property(Ra):≥806,Protection Grade:IP677,Light Attenuation:90% after working 50 hours.8,Lifetime:80,000-100,000 hours9,Certifications:CE&ROHS 10,The product of MCLED which represent the advanced technology and idea in ...