Features: 1.44 Inch color LCD display makes it easy and clear to read. Adjustable multi-angle view, more intelligent and convenient. New Type-C interface, 4 direction rotation color screen, 6 levels screen brightness adjustment & 6 measurement display interface. Load impedance measurement, temperature display, screen brightness adjustment, line resistance measurement and DIY background settings. 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. Specifications: Brand Name: RD Model: UM24 / UM24C/UM34 / UM25C/UM26 / UM34C(Optional) Function: No Communication Version (UM24/UM25/UM34) / Communication Version (UM24C/UM25C/UM34C) Display Screen: 1.44 Inch Color LCD Display Voltage Measurement Range: 4.000-24.000V Voltage Measurement Resolution: 0.001V Voltage Measurement Accuracy: ±(0.5‰+2digit) Current Measurement Range: 0-5.0000A Current Measurement Resolution: 0.0001A Current Measurement Accuracy: ±(1‰+4digit) Capacity Accumulation Rannge: 0-99999mAh Energy Accumulation Range: 0-99999mWh Time Measurement Range: 0-99h 59min 59s Load Impedance Range: 0.8Ω-9999.9Ω Temperature Measurement Range: -10℃～100℃/0℉～200℉ Temperature Measurement Error: ±3℃/±6℉ Screen Brightness Setting: 0-5 Level Auto Screen Off Time: 0-9mins Voltage Graphing Range: 0-24.00V Current Graphing Range: 0-5.0000A Quick Charge Recognition Mode: QC2.0, QC3.0, APPLE 2.4A/2.1A/ 1A/0.5A, Android DCP, SAMSUNG Color:Blue/Yellow/Green Note: 1. UM24 / UM24C/UM34 is no communication version, UM25C/UM26 / UM34C is conmmunication version by Bluetooth connection. Package List: 1 * USB Tester(other accessories demo in the picture is not included.)