Two-way Radio - FCC ID ; 2ASV6-T5A. MOICO 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 Function - Walkie 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 Talkies - Walkie 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 flashlight - This 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. MOICO walkie talkie lets you and your family enjoy games or outdoor adventures Waterproof