led working lamp 1.faster radiating for aluminium 2 ... faster radiating for aluminium.lamp cover: tempering glass technology, good vitreousness, anti high/low temperature burstItalian optical reflectivity ... -265v/55wInner light sourcemodel:H3C-BHID xenon.lamp,energy saving,high brightness,long life-span.Philips glass tube, ... vehicle, ambulance, communicate vehicle, tank armored vehicle) led working lamp