DESC: Description:All USA, Canadian, and International marine channel availabilitySAME weather alert with NOAA warningsTriple Watch Plus monitors instant channels 16 and 9, weather channel, and one pre-selected channel all at onceSelectable 1 or 5 watt RF output powerJIS7 waterproofProgammable scan feature2 7/16" W x 5" H x 1 1/4" DIncludes 2 rechargeable NiMH batteries, AC charger, and belt clip