Long-distance walkie talkie RB22 professional digital walkie-talkie, compact structure, is a good helper for your work 4000 channels; equipped with high-gain antenna, able to make calls over longer distances RB22 walkie-talkie can be connected to a base station, which can further extend the distance of the call Package includes： 2 x RB22 Two Way Radio 2 x 1900mAh Li-ion battery 2 x Antenna 2 x Adapter 2 x Desktop Charger 2 x Belt clip 2 x User manual IP66 waterproof walkie talkie RB22 has IP66 waterproof and dustproof function, protect the walkie-talkie, can withstand outdoor or indoor drops and water splash Don't worry about using it in outdoor work and harsh environments Be careful not to soak Feature: IP66 waterproof Dual time slot Battery Save Mode VOX Remote kill/activate Keypad lock Emergency alarm Individual call, group call, all call Individual call: one-to-one call; group call: a call between a group; all call: only send it; you can choose a different call method High sound quality Squelch function and digital mode provide clearer voice communication, even in a noisy environment, smooth communication 1900mAh battery capacity It can be used for 18 hours to meet the needs of daily work.large capacity battery and power saving function make standby more lasting 1.77 inch color screen 1.77 inch color screen, display everything you want to see; time/channel/area/volume, let you know at a glance SMS Support SMS editing and sending, easily edit the text and send it to other digital walkie-talkies Record The recording function allows you to record the important content of the call and listen to the recorded content repeatedly after the call VOX Hands-free walkie-talkie; after activating this function, the signal is transmitted directly by voice; no need to press PTT