NAUTICO 1 All Marine Channels - All US, Canada and International Selectable 5 or 1 Watts - Lets you adjust transmit power All Hazards Alert Weather Radio - Automatic alerts for severe weather/hazards 24/7 Up to 18 mile range* - *Range varies depending on terrain and conditions 3 Call Alerts - Different call tones to notify you of incoming calls within your group Flexible antenna - Resists breakage Emergency channel 16 button - Instant access to emergency information Water resistant - Comes with watertight bag for immersion protection Auto squelch - Removes annoying popping noise, makes radio "Whisper" quiet Monitor - Monitors current channel for activity Scan - Automatically checks channels for activity Keypad lock - Locks in your selected setting Large, High-Visibility display - Perfect for daytime/nighttime viewing Battery Level Indicator - Shows battery Life