Submersible to 3 feet for up to 30 minutes, and buoyant. Tt also performs for boat-to-shore and boat-to-boat communications, weather updates, communicating with lock/bridge operators. Details: Slim, form-fitting polycarb housing is comfortable to carry; Floating and submersible to JIS-7 / IPX7 standards; Easy-to-read LCD screen measures 1 1/4 x 1`; Luminescent glow-in-the-dark gasket for easy spotting; All USA / International and Canadian marine channels; NOAA weather channels and weather alert; Selectable power output: 5/2 1/2 / 1-watt; Programmable scan and dual watch; Programmable channel names; Preset key lets you recall up to 8 favorite channels; Low battery indicator; Key lock; Measures 2 1/2 x 5 1/2 x 1 3/4`; Includes rechargeable lithium-ion battery, AC and DC chargers with cradle, belt clip and antenna. Dimensions: 9 x 7 x 3 inches ; 3.2 ounces This item cannot be shipped to Canada. Please check your State, County and City laws for restrictions before ordering this product.