22 Channel with clear, crisp communication with easy button access with up to 24 Mile RangeDual power options using either 4 AAA batteries (not included) or included rechargeable batteries Channel Scan technology automatically checks channels for activityHI/LO power settings lets you adjust transmit power and conserve battery lifeSilent-operation turns off all tones for quiet operationCall alert notifies of incoming call within groupAuto squelch removes annoying background noiseKeypad lock saves your selected settings