Product Features Pair of two-way radios with up to 35 mile range 22 channels each with 121 privacy codes for superior interference protection iVOX hands-free communication without the need for an audio accessory 11 weather channels (7 NOAA) with alert features VibraCall vibration alert or 20 different call tones Allowing you to enjoy your escape to the great outdoors with confidence that others can be informed of any dangers that may come your way. Allows you to extend the transmission range by increasing the transmitter power output while saving battery life when no power boost is necessary. Motorola MR350R 35-Mile Two-Way Radio with 22 Channels, 121 Privacy Codes, NOAA Alert No need to stop the fun ? weather alerts will provide your group with warnings of incoming storms or dangerous conditions. Push-To-Talk Power Boost, When activated.. Push-To-Talk Power Boost, when activated, allows you to extend the transmission range by increasing the transmitter power output Push-To-Talk Power Boost, when activated, allows you to extend the transmission range by increasing the transmitter power output while saving battery life when no power boost is necessary. The MR350 also features a built-in LED flashlight for peace-of-mind during evening adventures or unexpected emergencies and power outages. The MR350 includes an emergency alert feature, allowing you to enjoy your escape to the great outdoors with confidence that others can be informed of any dangers that may come your way. The MR350 includes an emergency alert feature.