Roger beep confirmation tone indicates to others it’s clear to talk. Power saver circuitry extends battery life when not transmitting or receiving. Call alert provides a recognizable alert for incoming calls. Set includes 2 radios. 8 channels with up to 3km range. Volume control. Auto channel scan. Vibration alert. Battery level indicator. Backlit display. Headset port. Batteries required: 3 x AAA (not included). Manufacturer’s 1 year guarantee. EAN: 856062006272.