The Cobra MR-HH450-DUAL All-Terrain-Radio™ gives you the power to communicate on both land and open water! This multipurpose, dual band handheld is a high powered VHF marine radio and a professional grade GMRS transceiver all in one. With one button you can switch from the GMRS to VHF bands and back again for emergency vessel to vessel or vessel to shore communications. The Cobra Marine MR-HH450-DUAL supports all 88 marine frequencies and all 15 GMRS channels. Plus, it has 10 NOAA channels with S.A.M.E. weather alerts, making it a full featured emergency weather radio to boot!