Pointer Multimeter Voltmeter Ammeter Voltage Current Capacitance Tester Meter for School Home Item Type: Pointer Multimeter Model: MT 2017N Material: ABS Power Supply Mode: 1 x 9V6F22 battery with 1200mAh capacity, shipped with supporting battery. Or 2 x AAA battery with 680mAh single battery capacity, shipped with supporting battery. Application: It can measure DC voltage as well as positive and negative DC voltage at the middle 0 position, DC current to 10A maximum, AC voltage, resistance, transistor body, diode, LED, battery, short circuit buzzer and capacitance to 2000uF maximum, etc. Input Impedance: DC20Kohm/V, AC9Kohm/V. DC Voltage: 0.1V 2.5V 10.0V 50.0V 1000.0V, 6 gears. Positive and Negative DC Voltage at Middle 0 Position: ± 5/25V, 2 gears. DC Current: 50uA 2.5mA 25mA 250mA 10A, 5 gears. AC Current: 10V 50V 250V 1000V, 4 gears. Resistance: 1Ω 10Ω 100Ω 1KΩ 10KΩ, 5 gears. Battery: 1.5V 9V, 2 gears. Capacitance: C, Ω X1K, 2000uF. Standard Environmental Conditions: 23℃ ± 5℃, humidity: < 75% RH. Working Environment Range: 0℃ - 40℃, humidity: < 90% RH.