Works off 12V Car or Marine electrical socket / Charges Battery for Samsung A400, N200, SCH3500, SCH8500 cellular models Receives all National Oceanic and Atmospheric Association (NOAA) reports, which provides all available emergency advisories on tornadoes, thunderstorms, floods, evacuations, civil danger warnings & more Flexible programming - Select Specific Area Message Encoding (SAME) in up to 6 different areas 3 levels of messages - Statement, Watch, Warning, and Test -- in English, French or Spanish Includes rechargeable Ni-MH battery, belt clip, wrist strap and charging dock From Oregon Scientific