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 Force5Audio speaker. Delivers impressive audio output with powerful bass. Favorite channel function. Offers quick channel selection from the microphone up/down buttons. AquaQuke 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 Triwatch functions. Monitors Ch. 16 and/or call channel, while using another channel.