The battery save feature and auto power off ensure that you preserve energy, and the battery meter and audible low-battery alert ensure that you will know when you have to recharge your radio battery. The Motorola MD200TPR Radio has 29-hour alkaline battery life or 12-hour NiMH estimated battery life. Motorola Talkabout MD200TPR 2-Way Radio: * Up to 20 mile range * 22 channels * 15 level digital volume * Battery save feature * Auto power off * Auto Squelch * Audio accessory connector * Audible low battery alert * Keypad lock * 10 call tones * Time-out timer * Basic scan * Battery meter * Talk confirmation tone * Keypad tone * 29 h alkaline battery life (requires 3 x AA batteries) or 12 h NiMH estimated battery life * Includes 3