Baofeng BF-888S UHF 400-470MHz 16CH CTCSS/DCS With Earpiece Handheld Amateur Radio Walkie Talkie 2 Way Radio Long Range Black 4 Pack Walkie Talkie Model: Baofeng BF-888S;16 channel;Each radio has a earpiece Frequency Range: 400-470MHz; Low battery alarm; 50 CTCSS/105 CDCSS 1500mAh Li-ion battery; Low Voltage Alert; Intelligent Charging Power-saving features to extend battery life;CTCSS/DCS function/Scanning function/Emergency alarm function Range up to 3 miles (5 km) depending on environment and terrain; 24*7 Email Support, Buy with confidence^o^