... :Aluminum alloy With SS Bracket 40w /80w /140w /180w /220w For ChooseAdvantage:1. LED chips from US.2. Lamp body is ... faster radiating for aluminum,high temperature resistance,beauty exterior.3. Lamp cover adopted ... cars, rescue vehicle, communication vehicle, military command vehicle etc.3. Off road vehicle, ATVs, SUV, truck, Fork lift, trains, boat, bus, and ...