Standard Horizon HX400 W/SBR-29LI, Handheld VHF Marine Radio Submersible IPX8 / 1.5M (4.92Ft) for 30 minutes Selectable 5 or 1 Watt transmit power output Noise Canceling Microphone 40 Programmable Land Mobile Channels 134 MHz to 174 MHz with CTCSS and DCS signaling Supplied with 2300mAh Li-Ion battery, 110 VAC and 12 VDC 3-hour quick chargers