【BaoFeng Two Way Radio】 FCC ID: 2AJGM-BF888S, 16 preset channels can be selected 【Walkie Talkies Long Range】These walkie talkies can work together with other FRS two way radios by selecting the same channel on each. About the range, it depends on he terrain you are using them in. They could go a few kilometers theoretically if there were a clear path(Up to 4-5kms), 1.5KM in the downtown, 1-50 floors in one building 【Diversified functions】16 preset channels can be selected by rotating the knob on the radio to select any channel within the frequency range,you can program 50 CTCSS audio and 105 CDCSS audio on each programmed channel, and has the function of VOX voice control, low batttery alarm, flashlight, scanning, etc 【Fast Full Charged】 Full charge for BL-1 1500mAh battery: 3-4H.Under normal circumstances,walkie talkie can be used for 8-96 hours with a full charge, and up to 8-12 hours with continuous use 【Suitable for various occasions】The Radio is necessary for traveling, survival, hiking, cycling, work, camping, fishing,hunting etc Walkie Talkies Baofeng 888S Rechargeable Walkie-Talkies long range with Earpieces for Adults, 2 Way Radios kids walkie talkies 2 pack