Walkie Talkie 10W 70CM HYS TC-P10W UHF 400-480 MHz 16CH Scrambler 2 Way Radio Handheld Transceiver with 2200Mah Li-ION Battery Ham Amateur Radio communicador2Packs) True High-power of 10W, talke range up to 5-15KM depending on environment and terrain; two way radio of 2200Mah High-capacity battery;Frequency Range: 400-480MHZ. Output power: High:10W/Low:5W;10W/5W Power Switch with Side-key operation Scrambler :An analog voice inversion scrambler can be equipped as optionals.This special audio process can offer a more confidential communication. Other radios at same frequency will be receive only disordered noise . Voice Compander :Enable this function to reduce background noise and enhance audio clarity ,especially in long range communication . Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and other environments.