Motorola MG160A 16-Mile Range 22-Channel FRS/GMRS Pair of Two-Way Radio 22 channels with range up to 16-mile range Uses both Family Radio Service (FRS) and General Mobile Radio Services (GMRS) frequencies.Suitable for camping and hiking trips 8 level digital volume and 1 call tone Battery save/power save and audible low battery alert 20 hours estimated battery life (alkaline batteries not included)