Glass Lens for wide application: All of PC lens will turn more or less yellow after 1 year, glass lens will not. This LED Pack Light is made of black solid die-casting aluminum, ensures high performance over 60,000-hours of use for garages, warehouses, parking lots, shops, streets, yards, apartment complexes and many other places. Unbeatable Illumination and super bright: The security light combines both efficiency and brightness. 120W always deliver up to 18000 lumens with stable daylight 5000K lighting, a great choice for both indoor and outdoor illumination, especially good for places of wide areas.