... level meter, noise meter, vibration meter, ultrasonic thickness gauge, film/coating thickness gauge, digital hygrothermograph, high voltage megohmmeter, ground resistance tester, electric leakage switch tester,gas ... )long and short probe, suitable for different measuring situationlow power displayauto power offLCD backlightwarranty12 monthspackagecarton + PP tool boxpower supplyone 9V batterynet ...