BaoFeng BF-888S Walkie Talkie with Rechargeable Battery Headphone Wall Charger Long Range 16 Channels Two Way Radio Product description：Keeping you connected, no matter what your terrain may be.Whether you're hiking, hunting, or just trying to keep track of your fellow explorer, this is a great choice of two-way radio. the radios are ready for most activities, and feature 16 channels ，auto-squelch to reduce interference, channel scan and monitor features, and other convenient two-way basics like call tones and a roger beep.2 Watt Programmable Handheld Amateur Radio.Frequency Range: UHF: 400-520 MHz(Rx/Tx).The BF-888S include a built-in high illumination flashlight and an emergency alarmCustomize Programming by Using the PC03 FTDI Programming Cable.Broadband (Wide) 25khz / Narrowband (Narrow) 12.5khz Selectable.Frequency Mode 400-470 MHz.16 Memory Channels, 50 CTCSS /105 CDCSS.Battery Saving Features, Low Voltage Alert.Functions:Frequency: 400-470MHz .16 channels.Output power: ≤5(W).Frequency band: 400-470.Encryption: CTCSS/DCSS.Overall Dimensions: 210×60×30(mm) Height×Width×Thickness.Body weight: 160 (g).Operating voltage: 3.7V.Battery standby time: 72 hours (theoretical calculation).Antenna Interface: SMA-J.Operating temperature range: -20～60°C.Antenna impedance: 50Ω.Channel Stepping: 5, 10, 12.5, 25KHz.