Retevis RT21V MURS Radio,2 Way Radios Walkie Talkies Long Range, 5 Low Traffic Channels, Replaceable Antenna, Adjustable Range, for Outdoor and Open Business Area(4 Pack)

* Talk freely;5 low traffic channels; compared with 16 or 22 channels; MURS channels will not be so crowded; you can get every channel clearly * Long range two-way radios; detachable antenna design; you can expand the transmission range according to the environment anytime anywhere * 50CTCSS and 208DCS;you can modify the CTCSS DCS to reduce receiving unnecessary transmission * Built in 1100 mAh rechargeable lithium battery; a single charge can support 10-12 hours of continuous use;USB charger; you can use car charger or mobile power to charge it at any time * Easy to use; you can talk to each other out of the box; the sturdy body design can be used for a long time; VOX allows you to operate hands free; remote emergency alarm provides additional protection