led working lamp 1.faster radiating for aluminium 2 ... Philips glass tube, Germany assembly facility.American APL pills,color temperature,no strobe.anti-luminous decay, anti-UV, high ... )Column glass cover 35w 600m*20m 55w 700m*20mAppearance color speciesBlack,Luminous flux(lm)3500-5000lmWorking environment-40 +105 ... , recovery vehicle, ambulance, communicate vehicle, tank armored vehicle) led working lamp