Covers all USA, International & Canadian marine channels keeping you up-to-date with all the latest marine activity. JIS4/CFR46 Waterproof Level. 1 Watt/5 Watt Switchable. NiMH and Alkaline Battery Capability. Instant Channel 16/9/Triple Watch. Backlit LCD Display. Backlit Keypad - Makes it easy to use in low-light conditions. All N.O.A.A. Weather Channels with Weather Alert. Memory Channel Scan. Optional Speaker/Microphone. Flexible Rubber Antenna.