The GMR 3799-2CK Two-Way Radios with Charging Kit features 22 channels offering 7 FRS channels and 15 GMRS channels. It can be used to up to a 37 mile range. There are 121 privacy codes per channel to help reduce interference from other users. It features VOX operation, which allows you to use the radios hands-free, even without a headset. You can also receive emergency/weather broadcasts from the NOAA National Weather Service. When in Emergency/Weather mode, the system monitors the selected emergency/weather channel. Package includes: 2 radios, 2 carabiner clips, 2 belt clips, 2 rechargeable battery packs, charging cradle, AC Adapter and printed materials.