Digital Display USB Tester Current Voltage Charger Capacity Detector Power Bank Battery Meter+Discharge Resistance Load

Features 1 Also shows voltage and current and mAH data for easy viewing 2 Mobile power output MAH can be detected 3 Does not affect the data transmission 4 With precision current calibration function the current accuracy is higher it has been calibrated when shipped 5 Smaller loss Specifications Input Voltage 3V 7VThe voltage resolution 0 01 VInput current 0 05A 3 50AThe current resolution 0 01 ACapacity range 0 19999 mAHAccuracy plus or minus 1 Current of battery value of discharging capacitor Total ten parameters Clean the data Push the button until the parameters changed to next sets of parameters Then release the button Then the next sets of parameters will be started and they will start from zero Check the parameters Quick beat the button double times within 0 5s then it is checking model The LED background will be flash Then you can see the next set of parameters in LCD screen Quick beat the button double times agian you release the parameters checking model LED backgroud be light with flash Over voltage or under voltage An arrowhead will be shown in LCD screen and LED background will flash Push the button and LED will be light without flash It will last 30s Package Included 1 x USB Current Voltage Meter both is no retail boxes 1 x 3A Discharge withc swith Load ResistorDetail Pictures