Welcome to our store！</br>1、The instrument can monitor USB voltage, current, capacity, electric quantity, power, load impedance, D+/D‑ voltage, charging time and other data. 2、This USB tester is compatible with Type‑C pd fast charging protocol 45W power supply and for ios 87W smart charger PD power supply (such as mobile power supply). 3、Compatible for Qualcomm QC2.0 (5V/9V/12V/20V), for Qualcomm QC3.0 (3.8‑12V +/‑ 0.2 step), for Android BC1.2 (5V), for ios 5V/2.4A and for MTK‑PE (5V/7V/9V/12V), for Qualcomm fast charging protocol voltage pass‑through measurement range. 4、Like the front and back pass mode of the USB internal data line, the tester can also be compatible with U disk readings and computer USB interface data transmission。 5、The measurement application of voltage and current has a wider range of use, and the USB interface can be used. Also support OTG function. <p class="wang-edit-text"><p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type: USB Digital Tester Material: ABS Size: Approx. 61x68x10.8mm/2.4x2.7x0.4in Voltage Measurement Range: 3.6V-32.0V Voltage Measurement Accuracy: 0.01V Current Measurement Range: 0.00-5.10A Current Measurement Accuracy: 0.01A Accumulated Capacity Range: 0-99999mAh Accumulation Accuracy of Capacity 0.001Ah Power Accumulation Range: 0-999999mWh Accumulated Power Accuracy: 0.001Wh Power Measurement Range: 000.00-150.00 W Power Measurement Accuracy: 0.01W Impedance Measurement Range: 1-999.9Ω Impedance Measurement Accuracy: 0.1Ω Temperature Measurement Range: 0-80℃ Temperature Measurement Accuracy: 1℃ Longest Timing: 999 Hours, 59 Minutes, 59 Seconds Timing Accuracy: 1 Second Timed Charging Reminder: 24 Hours Countdown, Arbitrary Set Value USB D+ Voltage Range: 0V-2.999V USB D+ Voltage Accuracy: 0.001V USB D- Voltage Range: 0V-2.999V USB D- Accuracy: 0.001V The Complete Charger Reminder Parameters of the Mobile Phone: &lt;2W/0.5 Hour Refresh Time: 500mS/Time Measuring Speed: 0.5 Times/Sec Alarm Mode: Siren + Display Prompt Self-Consumption Flow: &lt;0.02A Working Temperature: -10 to + 60℃ Working Humidity: 10-80%RH Working Pressure: 80-106kPa How to Use: 1. Short Press: Short press to switch to another interface, return to the homepage, etc. 2. Long Press: Display the after-sales interface on the homepage; reset the relationship between magnification and power. 3. Double Clicks: Reset the capacity. 4. Three Clicks: Reset power (power and capacity with PW CUT MEMORY). 5. Four Click: The accumulated time is reset to zero. 6. Five Click: Enter the charging time and cut-off time settings. <p class="wang-edit-text"> <p class="wang-edit-text"><style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x&nbsp;USB Digital Tester 1 x Accessories 1 x Instruction Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>