40 Programmable Land Mobile Channels 134 MHz to 174 MHz with CTCSS and DCS signaling 1600mAh Lithium-ion battery, 110 VAC and 12 VDC chargers and a charging cradle includedSubmersible JIS-7/IPX7 (3.3 feet for 30 minutes)Selectable 5 and 1 Watt transmit power output700 mW Loud speaker audioBattery life indicatorAll USA, International & Canadian Marine ChannelsProgrammable Scan, Priority, & Dual and TRI WatchNOAA Weather channels and Weather AlertProgrammable channel namesPreset key used to recall up to 10 favorite channelsOptional speaker microphones & headsets available