The Streamlight® ProTac® HL-X CR123A Lithium Battery Flashlight features TEN-TAP® Programming and gives users the choice of 3 selectable programs high/strobe/low, high only, or low/medium/high. This hand-held flashlight features a maximum output of 1,000 lumens of blinding white light on high mode. The HL-X flashlight boasts durable and corrosion-resistant anodized aluminum construction for superior strength and it features an unbreakable pocket clip. Plus, an IP68 waterproof rating and sealed O-rings provide even more durability. Operates on 2 CR123A batteries with up to 20 hours of battery life on the lowest brightness setting.