Features:

1. 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
2. recognition, data storage, etc.Wide applications: can be used to test power bank, charger, discharge load, tablet, mobile phone, etc.Note:1. UM25 is no communication version, UM25C is a communication version by BT connection.2. PC software only supports PC window 7 and above.
3. 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.E: For
4. Desktop, when you use the BT adapter to make a BT connection, Please don’t use the adapter’s own driver, and use the windows system BT driver, otherwise, the module cant make SSP series port communication. If you have installed the adapter driver, you can uninstall it and unplug the adapter, then plugin again, the system will install it automatically.

Specifications:

1. Display screen: 1.44 Inch color LCD display
2. Voltage measurement range: 4-24.000V
3. Voltage measurement resolution: 0.001V
4. Current measurement range: 0-5.0000A
5. Current measurement resolution: 0.0001A
6. Capacity accumulation rannge: 0-99999mAh
7. Voltage measurement accuracy: +/-(0.5thousandth+2digits)
8. Energy sccumulation range: 0-99999mWh
9. Current measurement accuracy: +/-(1thousandth +4 digits)
10. Load impedance range: 0.8Ohm-9999.9Ohm
11. Time measurement range: 0-99h59min59s
12. Temperature range: -10 Celsius~100 Celsius/0 Fahrenheit~200 Fahrenheit
13. Temperature measurement error: +/-3 Celsius/+/-6 Fahrenheit
14. Screen brightness setting: 0-5 levels
15. Auto screen off time: 0-9mins
16. Voltage graphing range: 0-24.00V
17. Current graphing range: -5.0000A
18. Refresh rate: 2Hz
19. Quick charge recognition mode: QC2.0,QC3.0,APPLE 2.4A/2.1A/ 1A/0.5A,Android DCP,SAMSUNG
20. color: blue
21. material: plastic
22. Size: 71.2×30.5×11.3mm

Package Includes:

1. 1 x RD UM25 for APP USB 2.0 Type-C LCD Voltmeter Ammeter Voltage Current Meter USB Tester （Without Communication Version）