This is the Tektite Strobe 3500 10-watt LED Scuba Dive Light Flashlight Features: Depth Rating: 500 feet (150 m), IP68M Lamp: High-intensity, Multifunction 10-Watt LED Strobe Burn Time: 100 hours in flashing mode or 20 hours in steady mode with fresh batteries Initial flash rate: 120 flashes per minute (2 Hz) with fresh batteries Batteries: 3 C-cell Alkaline (included) CE (European Union compliant) Materials: ABS and LEXAN Visible for several miles with clear lens (conditions permitting) Lamp Life: 10,000+ Hours (36+ Million Flashes) Twist on, rotary switch Made in the U.S.A. (complies with the Buy American Act", may contain imported components). Lifetime Warranty The Tektite Strobe 3500™ is the durable, polymer version of our popular Strobe 3500™ XL Expedition. Boasting significantly brighter output as well as better battery life than our Strobe 300™, the Strobe 3500™ uses a high-intensity, multifunction, 10-watt LED strobe that can be seen for miles at night (conditions permitting with a clear lens). This durable strobe, crafted from ABS and LEXAN, is even more rugged than our Strobe 300™ since there are no fragile glass strobe tubes to break. The Strobe 3500™ is double O-ring sealed, waterproof and dive rated to 500 feet (150 m). Optional color lenses available. Includes, at no additional cost, a Velcro strap. An Infrared (IR) version is available to approved government and military organizations. "
