Two-way radio FCC ID; 2ASV6-T5A. The walkie talkies have 22 FRS channels plus 99 sets of CTCSS tones (privacy codes), the continuous tone squelch system gives you up to 2178 combinations to help block out other conversations. One-to-one or one-to-many communication function allows more walkie-talkies to communicate on the same channel. VOX hands-free function Adult walkie talkies have easy voice and sound activation (VOX) transmission with 3 sensitivity levels for hands-free operation. you can keep in touch with friends and families at any time when camping on an adventure or in a crowded supermarket. Long distance walkie talkiesThe walkie-talkie can achieve a communication range of 3-5 miles 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 to 1.2 miles. Weather, car (iron material), travel and buildings will affect the range. The actual distance depends on the current environment obstruction. Backlit LCD display and LED flashlightThis walkie talkie has a bold green backlit LCD display providing great visibility at night. The built-in LED torch can be used as both flash and emergency light. Small size and light weight, hard and durable shell, anti-drop. The walkie-talkie allows you and your family to enjoy games or outdoor adventures. After-sales service insurance offers 30-day money back and lifetime customer service. If you have any questions, please email us through the Amazon platform. , we have professional engineers who can solve your problem as soon as possible.