This is the tac light of tac lights Rico alpha 9 was designed for Law Enforcement and Military it has proven to be one tough hombre, we have shipped many units to US Soldiers and Law Enforcement personell through the world and have had great feed back. The housing is constructed of heavy duty nylon fiber and 6061 T6 alluminium with type 3 anodized finish. The unit produces 250 Lumins and has a very unique nav light feature that allows covert movement prior to using the taclights main lamp. Operation can be controlled either by ambidextrous rotating switch or pressure switch.