Here's what other sites are saying:
Essential Gear Strobe 4-Led Light - Flashing Strobe light with Clear Lens & 4 White LED's. Visibility 1 - 2 Miles. Unique prism lens. Battery Life up to 125 hours. Waterproof up to 33 ft. Flashes at 40-55 X/min. Stainless Steel PFD Pin. Specifications: Batteries 1 "D" Cell, Burn Time 125 Hours, Maximum Range 2 Miles, Waterproof 33 ft, Weight(w/o batteries)3.8 oz , 309 g, Size 2.3" x 4.9", 58 mm x 123mm.
- Massey's Outfitters
CLOSEOUTS . Waterproof to 33 feet and visible from up to four miles away, eGear's waterproof LED strobe light is a dependable safety measure for watersport and backcountry enthusiasts everywhere. Available Colors: RED/CLEAR.
- Sierra Trading Post
The eGear LED strobe light increases your chances of being seen in low light-perfect for kayaking! 4 LED bulbs cast even light; nearly indestructible LEDs greatly improve battery life. Uniquely designed yellow prism lens makes yellow light visible up to 4 mi. Flashes 40 to 55 times per min. Can be attached to PFD with included stainless-steel pin. Uses 1 D battery, not included. Closeout.