High lumen tactical light that is USB rechargeable, so you can charge on-the-go using almost any USB source, and without taking the battery out. Ideal for professional use - home inspection, law enforcement and security. Features: 10-tap programming - (1) high/strobe/low (2) high only (3) low/medium/high Uses rechargeable lithium ion battery (P/N 74175),also accepts (2) CR123A lithium batteries or rechargeable 18650 USB battery Self-adjusting battery cradle secures multiple battery sizes and eliminates battery rattle Durable, anodized aluminum construction Water resistant sliding metal sleeve protects USB port Includes USB cord, removable pocket clip and tear resistant nylon holster Multi-function push-button tail switch for one-handed operation Anti-roll head prevents the light from rolling away when you set it down IPX4 water resistant, 1 m impact resistance tested RoHS compliant Limited lifetime warranty