Retevis RT40 Two-way Radios Rechargeable Digital Walkie Talkies GMRS/FRS 48 Channel Licence-free Group Call with Charger (5 Pack) Licence-free radio helps you avoid legal issue; Supports digital and analog model switchable Supports one to one and one to many call; Allow user to call partners without interference even if you and other irrelevant people are in the same public channel Side keys programmable allow you to have one touch call and 3 groups easily switchable; You can also send the preset message via the side key Digital audio ensure you stay loud and clear everywhere you have coverage; Large battery capacity supports 11-12 hours uninterrupted use Simple and convenient return process; 1 year radio warranty and 30 days no reason to return