... equipment, and testing the Fiber Optic Patch Cord , etc.Digital Multimeter, performs AD/DC Voltage, AC/DC Current, Resistor, ... .01dBDigital MultimeterReading range-6600~+6600AC/DC Voltage0-600V Auto/Manual ranging, 0.1mV resolutionAC/DC Current6.6mA, 66mA, ... Diode2.0V Range, 1mV resolutionCapacitor6600pF~66,000μF auto/manual rangePOWERPower AdapterDC5V, 2ABattery1 pcs Lithium Ion Polymer Batteries, ...