The Smith & WessonA(R) M&PA(R) Delta ForceA(R) HL-10 LED Headlamp is the ultimate combination of brightness and durability. The anodized aluminum construction and waterproof design keeps this light working regardless of the conditions, and the ultra-bright 430 lumen TURBO mode will light up out to 153 meters. With an incredible 33hr run time on low, this headlamp will keep your path extremely well lit. Delta Force: The ultimate in tactical lighting design with extra durable thick-walled anodized aluminum construction for heavy-duty use in extreme conditions. Specs: 430 Lumens 33hr Runtime On Low (Depending On Mode) Turbo, High, Medium, Low, Strobe, & SOS Modes Beam Distance Of 153 Meters Runs On (3) AAA Batteries (included)