Estone Mini Portable Ammeter Voltmeter Handheld Tester Ohmmeter LCD Digital Multimeter 3  digits LCD display with max. reading 1999 Low power indicator ( 9V Battery is not included ),Overload Protection Dimension:126x70x24mm Multimeter integrates Voltmeter, Ammeter and ohmmeter which is an ideal instrument for use in fields such as laboratory, workshop, DIYers and home applications.