Feature:1. USB Tester: This USB tester can be used to test the voltage and current of the charger, very practical.2. Wide Range: Enables wide measurement range in power, the power meter also ensures high testing accuracy.3. Digital Display: Equipped with a LCD display screen to have a clear view and observe the data changing.4. Easy Setting: You can set automatic power off and timing power off as well as corresponding warning tones.5. Simple to Use: There is type C, micro USB and USB input port, making the application much more convenient.Specification:Item Type: USB TesterProduct Material: PCB + ABSVoltage Measurement Range: 3.60V~32.0VCurrent Measurement Range: 0.00~5.10ACapacity Accumulation Range: 0~99999mAhAccumulated Power Range: 0~999999mWhPower Measurement Range: 000.00~150.00WImpedance Measurement Range: 1~999.9 ohmTemperature Measurement Range: 0~80Timing time: 999 hours 59 minutes 59 seconds. Input interface: Type-C, Micro USB, USBTiming Charging Reminder Setting: Countdown 24 hours any set value. USBD+ Voltage Range: 0V~2.99VUSBD- Voltage Range: 0V~2.99VMobile Phone Charging Full Reminder Threshold Parameters: <2W/0.5 hoursRefreshing Time: >500mS/ timesMeasurement Rate: About 0.5/secAlarm Method: Siren sound. Display Type: Micro power LCD module LCM white font Chinese and English display. Self Consumption Current: <0.02AWorking Temperature: -10~+60Working Humidity: 10~80(no doubt)Working Pressure: 80~106kPa.Package List:1 x USB Tester1 x LoaderNote:Do not use over current and voltage.