... vitreousness modelLCWL-006Housing materiallamp body: faster radiating for aluminium.lamp cover: tempering glass technology, good vitreousness, anti high ... low temperature resistance.tempareuture resistanceColor temperature3000-30000kOptional beam and flood distance(length width)Column glass cover 35w 600m*20m ... , recovery vehicle, ambulance, communicate vehicle, tank armored vehicle) led working lamp