Two way RadioFCC ID ; 2ASV6-T5A. walkie talkies have 22 FRS channels plus 99 sets of CTCSS tones (privacy codes),The continuous tone-coded squelch system gives you up to 2178 combinations to help block other conversations.one-to-one or one-to-more communication function allow more walkie talkies to communicate on the same channel.VOX-Hands Free FunctionWalkie talkies for adults have easy voice and sound activation transmission (VOX) with 3 sensitivity levels for hands-free operation.you can keep in touch with friends and families at any time when you camping adventure or in a crowded supermarket.Long Distance Walkie TalkiesWalkie talkie can reach 3-5 miles communication range in open areas such as rural areas, suburbs or seaside, etc. where there is no shelter. If in cities or towns, walkie talkies can reach 0.6-1.2 miles. Adverse weather, car(Iron material), voyage and buildings will affect the range. The actual distance depends on the obstruction of the current environment.Back-lit LCD Screen and LED flashlightThis walkie talkies has bold green back-lit LCD screen provides high visibility in night. Built-in LED torch can be used as both flash and emergency light.Small size and light weight, Hard and durable shell, drop-proof. walkie talkie let you and your family enjoy games or outdoor adventures.After-Sales Service Assurance provide a money back within 30 days and lifetime customer service.If you have any questions, please send email to us through the Amazon platform, we have professional engineers can solve your problem as soon as possible.