RD UM24 USB 2.0 Color LCD Display Tester Voltage Current Meter Voltmeter Ammeter Battery Charge Cable Impedance Measurement No Communication Version

Specifications:Model: UM24Voltage Measurement Range: 4.50-24.00V Voltage Measurement Resolution: 0.01VVoltage Measurement Accuracy: (0.2%+1 digit)Current Measurement Range: 0-3.000A Current Measurement Resolution: 0.001ACurrent Measurement Accuracy: (0.8%+3 digit)Capacity Accumulation Rannge: 0-99999mAh Energy Accumulation Range: 0-99999mWh Time Measurement Range: 0-99h 59min 59sLoad Impedance Range: 1.5-9999.9 Temperature Measurement Range: -10C100C Temperature Measurement Error: 3CScreen Brightness Setting: 0-5 Level Auto Screen Off Time: 1-9minsVoltage Graphing Range: 4.5-24.0V Current Graphing Range: 0.00A-3.00AData Storage: 10 GroupsQuick Charge Recognition Mode: QC2.0, QC3.0Display Screen: 1.44 Inch Color LCD Display Refresh Rate: 2Hz Product Size: 71.1 * 31.8 * 11.3mm(UM24) Product Weight: 20.75gPackage Size: 91 * 64 * 18mmPackage Weight: 48g(UM24) Features:1.44 Inch color LCD display makes it easy and clear to read.Adjustable multi-angle view, more intelligent and convenient.Mini size and sandwich design structure, durable for use.Main functions: voltage/current/power/capacity/energy detection, quick charge recognition, data storage, etc.Wide applications: can be used to test power bank, charger, discharge load, tablet, mobile phone, etc.For Android APP:A: It only support for Android 5.0 and above; B: Allow APP not to be cleaned in the background; C: Allow APP self-starting; D: Allow APP not to be cleaned after screen locked.