Standard Horizon STD-HX471SB Handheld VHF Marine Radio (Black) Handheld marine VHF radio factory programmed with all U.S., Canadian, and international channels Supports all NOAA weather channels; transmits on FRS band and receives AM, FM, and aeronautical bands Channel scanning for all or programmed channels; monitors emergency channels and NOAA weather alert NMEA charging cradle connects to GPS and transmits location along with distress signal Submersible black die-cast chassis measures 2.36 x 3.78 x 1.12 inches; includes 3-year warranty