Two-way radio comes equipped with 22 channels for clear, crisp communication. 24-mile line of sight range allows you to communicate effectively over long distances. Dual-power options allow you to use either the included rechargeable batteries or four AAA batteries (sold separately) for convenient use. Channel scan function lets you automatically check channels for activity. Hi/Lo power settings make it simple to adjust the transmit power and conserve battery life. Silent operation turns off all tones for quiet use. Call alert notifies you of an incoming call within your group. Auto squelch removes annoying background noise for clear communication. Keypad lock prevents your settings from being adjusted for consistent use.