Walkie-talkie High-power FM Hand Station $ 27.41 Product information Frequency range: 136-174 400-520 (MHz) RF output power: 5 (W) Number of channels: 128 (a) Theoretical communication distance: 3-5 (km) Working voltage: 7.4 (V) Battery type: Lithium battery Battery capacity: 2800mAh Color: green Power supply: US, UK, AU, EU, usb Package: Walkie-talkie 1 Host + Antenna + Lanyard + Back Clip + Battery + Socket + Charger + Manual1