**********Convenient uptation compared with other similar 2 way radio walkie talkie has one more extra 1500 mAh Li-ion rechargeable battery for each radio. Greatly improve the radios efficiency of use. Also there is a USB rapid charge plug for each radio. No need to worry about sudden power off. Just replace the spare battery or recharge via USB plug. The removable belt clip is very easy to install, no need screw in the screws. *****Frequency&Range&Channel up to 5 Miles range (the range varies from different working environments, Adverse Weather, Iron closed space, Voyage will affect the range)Frequency is UHF 400-470MHz.
16 pre-programmed channels. channel frequency is programmable within the frequency range; you can program any of 50 groups CTCSS and 105 groups of DCS. *****Widely Application walkie-talkie is ideal for indoor communications like security team, farm, construction site, maintenance team, warehouse, hotel, factory, retail store, school etc and outdoor conditions, such as hiking