Retevis RT22 Walkie Talkies Rechargeable Hands Free 2 Way Radios(6 Pack) with Six Way Gang Charger 16 channels with default frs frequency; No need individual license regardless of your occupation and use Voice activated transmitfunction allow you have real hands free operation Emergency alarm function will give you another safety protection while ensuring your basic clear conversation at the same time Coming with six way multi gang chargers gives you faster and more convenient charging way Simple and convenient return process;1 year warranty and 30 day return with no questions asked