COOWOO LCD Display Pocket Digital Multimeter USB Security Tester DC 3-30V Voltmeter Ammeter Watt Capacity Time Power Meter Monitor Support QC2.0/3.0
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<b>[Product Information]</b><br>
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<li>Multifunction:COOWOO smart digital USB meter can be used to test voltage, ampere, capacity, electric energy, power, recording charging time etc. With 0.96” LCD display, making it easy to monitor the charge voltage and current of your digital USB devices, while ensuring the optimal charge rate. Simultaneously displaying of Amp and Voltage in real-time.</li>
<li>Safety Guard: Built in protective electronic switch element for detecting safety, it will cut off output automatically and protect your appliance from damaging; it will store data when power off suddenly. Voltage can’t exceed 30V, current can’t exceed 5.1A.</li>
<li>Testing Function: USB Port is dedicated for both Data Sync and Battery Charging purpose, which has built-in circuit with containing CW3002D chip for accelerating Large Current Fast Charging. Compatible with QC 2.0/3.0 high voltage test; Testing capacity and electric energy of mobile power bank; Testing the maximum output current of the charger; Testing charging speed and quality of data cable and charging cable.</li>
<li>Six Setting Interfaces: ampere calibration, voltage calibration, high voltage protection threshold, low voltage protection threshold, over current protection threshold and capacity compensation coefficient; press the key cyclically to review them.</li>
<li>Satisfaction Guarantee: 100% risk-free satisfaction guarantee. We offer you 100% hassle-free satisfaction guarantee to let you buy with confidence. For any reason you are unsatisfied with our product at any time, just feel free contact support for exchange or refund. Our customer service team are here and ready to assist you with any questions or concerns you may have before or after the purchase.</li>
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