Walkie-Talkies - PMR446 for free, IP54, easy pairing, iVOX/VOX handsfree, 16 PMR446 channels ** and 121 private codes, backlit display, auto squelch, key lock, timeout timer, Li-Ion battery (included), up to 24 hours, Charging - Micro USB charger (included), with a charging dock, Warning - Calling tone, Keyboard tones, Call confirmation tone/Roger beep, Low battery warning