Standard Horizon STD-HX600S Waterproof Marine VHF Radio Handheld marine VHF radio factory programmed with all U.S., Canadian, and international channels Supports all NOAA weather channels; built-in weather alert with S.A.M.E. hazard broadcasts NMEA charging cradle connects to GPS and transmits location along with distress signal User-selectable transmit power; S.O.S. distress beacon viewable from up to 1 mile away Includes drop-in charger; measures 2.36 x 4.09 x 1.2 inches (W x H x D); 3-year warranty