VHF Marine Transceiver M200Compact and IPX7 Waterproof Body, withstands 1 metre depth of water for 30 minutes - Powerful front mount speaker delivers loud clear audio, even in noisy environments - Class leading receiver performance - Large easy-to-see LCD shows essential information with 4-step back lighting - Dualwatch and Tri-watch function, monitor CH 16 while using another channel - Favourite Channel FunctionAquaQuake draining feature, waterfree speaker grill for optimal audio.