Dual watch monitors 2 channels at once US, Canadian & international channels 1W or 25W 10 NOAA weather channels & instant channels 16/9 Weather alert sounds audible tone & visual alarm if threatening weather is nearby Digital Selective Calling & GPS capability Submersible with large, illuminated LCD & illuminated function keys Controls on microphone Scan & signal strength meter Includes external speaker jack & flush-mount/bracket-mount kit 3-year warranty White