The AmpliVox ProMarine Megaphone is designed and MADE IN USA. Built tough to stand up to the most demanding real world applications. Protection for marine and outdoor environments from high impact polycarbonate material and waterproof components. When you need a reliable means of communication under harsh weather conditions you can count on the AmpliVox ProMarine Megaphone. The waterproof designed megaphone is carefully built to IP67 (Ingress Protection) standards for dust and water submersion (waterproof) and MIL-STD810F 516.5 specification for shock absorption. When dropped in pool, lake, ocean or river, the Pro Marine Megaphone will float. Fully submersible and waterproof. Rechargeable Li-on battery pack with charger station included. Battery life up to 8 hours. Class-D digital Amplifier with volume control, battery status light, siren and horn signals along with padded shoulder carry strap are included. One mile range/1760 yards. 22 watts peak, 19 watts rated. Dimensions 12.75"l x 8.5"w x 12"h. Color: olive and tan. The ProMarine is perfect for aquatic sports and environments, public safety, law enforcement, fire and emergency applications. Ships Fed Ex / UPS. 5 year limited warranty