M1 Strobe - Flashing The Tektite® M1 Strobe takes the best aspects of our Mark-Lite® series and Strobe 3500™ to create a thin, rugged, powerful LED strobe. It’s high-intensity, LED strobe produces comparable light output to larger Xenon strobes without a fragile glass strobe tube to break. This LED strobe is crafted from durable ABS and LEXAN®, is double O-ring sealed, waterproof, and has a depth rating of 1,000 feet (333 m). It will run for over 50 hours in flashing mode fresh set of 2 AA-size 3.6v Lithium batteries and has a lamp life of 10,000+ hours. Optional colored lenses are available. Includes, at no additional charge, a Velcro strap. Specifications: · Twist on, rotary switch · Depth Rating: 1,000 feet (333m), IP68M · Lamp: High-Intensity,LED Strobe · Lamp Life: 10,000+ hours · Burn Time: 50+ hours in flashingmode with fresh batteries · Batteries: 2 AA-size 3.6v Lithium (included) · Materials: ABS and LEXAN® · CE (European Union compliant) · Dimensions: 14.5 cm L X 3.05cm Dia / 5.75\"L x 1.2\"Dia. · Weight: 91grammes / 0.20 lbs.