Digital Multimeter Mastech MS8221 Auto/Manual Ranging DMM with backlight and battery tester The newly introduced Mastech MS8221 digital multimeter is a fully featured DMM, which can be used to measure AC/DC current and voltage, resistance, frequency, capacitance and temperature up to 1800 farenheit, as well as diode and transistor check and continuity buzzer. Product Features: Auto-ranging multimeter with high resolution and good accuracy Automatic power-off, Max value hold, data hold, back lit,manually range selection Handheld size with back tilt stand Product Specification: DC Voltage:0-200mV-2V-20V-200V-600V, �0.7%, input impedance: 10 M Ohms AC Voltage:0-200mV-2V-20V-200V-600V, �0.7%, input impedance: 10 M Ohms DC Amp:200uA-2000uA-200mA-2.0A-10.00A�2.0% AC Amp:200uA-2000uA-200mA-2.0A-10.00A�3.0%; Repeatability: �2% Temperature:-20�C- 0�C; 0�C- 400�C; 400�C - 1000�C; 0�F - 50� F; 50� F- 750� F;750� F- 1800� F, C/ F selectable Resistance:0-200-2k-20k-200k-2M-20M�1.0% Battery Tester: It checks the batteries with a built-in load: for the batteries voltages of 1.5V/ 3.0V/9.0V; (Load current: 1.5V/50mA,3V/30mA,9V/1mA); Audible continuity:<50ohm; Transistor: hFE: 0-1000; Diode test:25uA,3.0V Package includes: Test leads batteries multifunctional test socket user manual