MakerHawk UM34C USB 3.0 Multimeter Bluetooth USB Voltmeter Ammeter and USB Electronic Load Tester Resistor USB Voltage Current Battery Power Capacity Charger Temperature Load Meter Tester

* Um34c and um34 are all the same except for the Bluetooth function. Guide Video, UM34C User manual and Android APP download link can be viewed from the Product guides and documents at the bottom of the page. * Note: 1. UM34C don't have PC software , only have APP for android. 2. There are some incompatibility problem between some android phone and our Bluetooth board. Please purchase carefully, such as NOTE8 / S8 3, for Android APP: A: APP only support android 5.0 and above. B: Allow APP to do in the background, not be cleaned. C: Allow APP self-starting. D: Allow APP stay after screen locked, not be cleaned. E: Type-c is just to measure, not support all Type-c quick charge, not trigger. * LD25 4-bit led digital display tester have some Advantage: 1. Display upgrade; 2. Protection upgrade; 3. Interface upgrade; 4. Cooling upgrade; 5. Precision multi-turn potentiometer; 6. Intelligent temperature control fan. It is suitable for measuring the output current capability of the charger, using the bulk aging te...