... equipment, and testing the Fiber Optic Patch Cord , etc.Digital MultimeterMulti-MeterVoltage, current, resistance and capacitance measuring, continuity testing, ... testing.POWERPower AdapterDC5V, 2ABattery1 pcs Lithium Ion Polymer Batteries, 3.7V DC3000mAhRechargeable4.5 hours recharging time, work for 12 ... %-90%Dimension/Weight112mmx189mmx47mm / 500g Multifunction CCTV Tester 895-3.5 with Multimeter