... 95%Operating Temperature0° To 70°CelsiusDimension(with front lens)299(D)*82(H)mmLens MaterialUV-resist Polycarbonate–Weight ... saving over incandescentLong life of 70,000 hours plusExclusive optical lensing, good color unifoumityMulti-ply sealed, water & dust ... as : Dispenser Machine,LED Die bonder, Gold wire bonder, LED packaging machine, LED testing machine,and LED sorting &spectral color separation ...