Subtronics India Pvt. Ltd. Manufactures Police Type Breathe Alcohol Analyzer with Beep Alarm; bearing the model number PD 6000 N. Subtronics India Pvt. Ltd. Is an ISO 9001:2000 certified company. Police Type Breathe Alcohol Analyzer with Beep Alarm requires a operating voltage of 6 volts D.C, with four "D" sized cells. These cells are re-chargeable with the battery charger provided. Police Type Breathe Alcohol Analyzer with Beep Alarm possesses red LED low battery indicator and green Led indicates when the machine is ready to be used. The product has brass body with powder coating, with black rear OP lid. A female jack is provided with the machine for charging the batteries. The accessories that are available with the Police Type Breathe Alcohol Analyzer with Beep Alarm are battery charger, test bottle [50 mg or 100 ml of blood] and leather case.