Icom IC-M304-01 Black Submersible compact body with large LCD and powerful audio. Compact and submersible Equivalent to IPX7 (1m depth for 30 minutes, except cables). Large easy-to-see LCD Shows full size channel number with 4-step backlighting. Built-in DSC that meets RTCM SC-101 For distress calls, or for position request/position report. New Force5AudioT speaker Delivers impressive audio output with powerful bass. Favorite channel function Offers quick channel selection from the microphone up/down buttons. AquaQuake draining function The vibrating "buzz" sound clears water away from the speaker grill. Weather channel with weather alert Listen for important weather broadcasts Dualwatch and Tri-watch functions Monitors Ch.16 and/or call channel, while using another channel.