Retevis R888s plus Walkie Talkies UHF 400-470MHz 3W FM CTCSS/DCS 16CH with Earpiece VOX Handheld Transceiver (5 Pack) and Programming Cable 16 memory channel,easy to use: each work group can have their own channel to minimize disruptions in other department Built-in LED torch make things easier when in dark environment VOX function for true hands-free communication; and belt clip make them easy to carry Range up to 3 miles (5 km) depending on environment and terrain Easy to use:It can be use for all ages; With it,you can communicate with your every family member and friend freely