Our E-flare line of products is not just innovative, they're life savers. They've progressed technology from a torch, to light beacons that use multi-color and sequencing of light that can be seen for over 3/4 of a mile away without the night vision, point fixation and distance judgement problems associated with strobe and incandescent lights. Features: Intensely Bright - Can be clearly seen over 3/4 mile away without night vision, point fixation and distance judgement problems.Lightweight - Weighs under 2/3 lb with batteries.Simple to Use - An improved switching mechanism involves a simple twist of the lens to the desired function.Durable - Waterproof (up to 100 ft), dust proof, and will survive a 3-foot drop onto a concrete surface.Double the Safety - Provides safety with maximum 360° visibility. Unlike pyrotechnic flares, there is no risk of fire, explosion, toxic fumes or residue.Infinitely Versatile - Easily attaches to belts, clothing, vehicles, traffic cones or signs.Place units around to create a highly visible warning and safety zone for people, work areas, hazards and accidents.HAZMAT compliant for use in Zone 1, Level 1 hazardous areas Specs: Blue/White Beacon- Dual Flashing 2-Color- 4 4 LED- ABS Body & Fresnel Lens- Weighs 0.55 lbs with Four "AA" Batteries Case Quantity: 12 Case Length: 23 Case Width: 17.8 Case Height: 23