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. 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.