Retevis Case of 10,Retevis RT48 IP67 Waterproof Walkie Talkie Long Range, Rechargeable Walkie Talkies for Adults,Rugged Security Commercial Two Way Radios Warehouse Construction

* RT48 is FRS licenses-free waterproof walkie talkie; they are out of the box and can be used with Retevis RT21; RT22; RT28; H777S on same frequency and CTCSS/DCS * IP67 waterproof walkie talkie is real waterproof; they can prevent the immersion of water; floating in the water * Configurable high/low power can provide you long range clear sound; you can adjust waterproof walkie talkie according to the actual * The emergency SOS alarm is local and remote; even if you are far away from your friends; you can also get help from them * VOX function can provide you hands-free talking when you want to avoid messy things; handy and easy to talk * Squelch function can remove much noise as possible as they can; they can be widely used in factory; construction site; cruise ship; activities; port and so on