Building off the success of the acclaimed Expedition series, the Expedition Star introduces the latest in LED technology-the Luxeon Star LED. This Luxeon Star LED flashlight utilizes specialized optics to produce an ultra-tight 10-degree beam pattern, with a light output equivalent to more than 20 regular LEDs. This "spot" beam pattern enables the Expedition Star to cut through fog and smoke. Burn time is 15+ hours at full power with an additional 50 hours of usable light. Comes with an adjustable, cushioned wrist lanyard and rubber glare guard. Free 3 C Alkaline Batteries Included! 500-Lumen 15-deegree medium beam to flood your dive with light Free Lanyard Included! Depth Rating: 500 feet (150 m) Lamp: Luxeon Star LED (P & Q bin) Lamp Life: 10,000+ hours Burn Time: 15+ hours at full power Power: 23 - 40 Lumens Batteries: 3 C-cell Alkaline Materials: ABS and LEXAN Dimensions: 7.75 (20 cm) L x 1.9" (5 cm) Dia. Weight: 0.69 lbs. (0.31 kg)