Tektite Strobe 300.

The 300 Xenon strobe has 150% of the brightness and nearly twice the burn time of competing strobes. It's 30% brighter than our popular Strobe 200—the choice of scuba divers, military and fire fighters worldwide. This double O-ring sealed unit will run 24+ hours on a set of batteries and can be seen for miles at night. Optional colored lenses are available and a Velcro strap is included. RoHS compliant for sale to European Union. Available in Black, Yellow & Orange Body. 

Specifications

• Depth Rating: 500 feet (150 m)
• Bulb: Xenon strobe
• Bulb Life: 1,000,000+ flashes
• Burn Time: 24+ hours
• Batteries: 3 D-cell Alkaline
• Weight: 0.75 lbs. (0.34 kg)
• Dimensions: 9.25" (23 cm) L x 1.9" (5 cm) Dia.