You&';ve never been safer at Sea with the UM385BK Marine Radio. Knowing when to turn back can be as valuable as being able to call for help. Uniden&';s Marine Radios protect you from what lies ahead, as well as getting you out of dicey waters, by informing you the moment a storm starts brewing and transmitting your location should you need help!. With Triple watch features, DSC capablilites, a range of international Marine Channnels and S.A.M.E Weather alert the UM385BK Brings everything you&';ll need on the water in one compact design. IPX4jIS4 Waterproof level Memory Channel Scan DSC Position Send and Request . All USA /International/Canadian Marine Channels .