When you need versatile radios for outdoor communication, these two-way radios are the perfect choice with 22 channels, 14 additional channels, and up to a 30-mile range with little obstructions. Use for hiking, boating, hunting, fishing and more. 121 privacy codes give you up to 2662 channel options to help you block other conversations. Selectable Hi/Lo power settings provide additional range and conserve battery power. The silent operation lets you turn off all tones, plus the monitor lets you check for any activity within your channel. The eVOX feature allows three levels of hands-free operation and easy voice activation. NOAA local weather alerts keep you abreast of weather conditions. Radios are powered by the included rechargeable battery packs, but may also be powered with three AAA alkaline batteries (sold separately).