Product Specifications: Voltage Measurement Range: 36V-320V, Resolution: 0.01V Current Measurement Range: 0.005-10A, Resolution: 0.01A, Max Test Current: 65A Cumulative Capacity Range: 0-999999mAh, Resolution: 0.001Ah Cumulative Energy Range: 0-9999999mWh, Resolution: 0.001Wh Power Measurement Range: 0-999999W, Resolution: 0.01W Impedance Measurement Range: 1-9999Ω, Resolution: 0.1Ω Temperature Measurement Range: 0-80℃, Resolution: 1℃, Max %RH: 0 Timing Measurement Range: 999 hours 59 minutes 59 seconds, Resolution: 1s USB-D Voltage Range: 0V-29.99V, Resolution: 0.001V Update Time: 500ms Measurement Speed: 0.5 times/s Alarm Mode: Display Tips Product Size: 61mm x 68mm x 108mm Self-Consumption Current: <0.02A Operating Temperature: -10-60℃ Operating Humidity: 10-80%RH Atmospheric Pressure: 80-106kPa Certifications: RoHS, CE Operating Instructions: 1. Short press the button to switch the screen. 2. Quickly double-click to clear cumulative capacity (mAh) to zero. 3. Quickly triple-click to clear cumulative energy (Wh) to zero. 4. Quickly quadruple-click to clear time to zero. 5. Quickly quintuple-click to change the cumulative data storage group (10 data groups). 6. Long press the button to clear cumulative capacity and time simultaneously. 7. In the screen rotation interface, long press the button to rotate the screen. 8. When the short key is pressed to overvoltage (>350V), low voltage (<30V), and overcurrent (>800A), the setting interface can be adjusted by quickly double-clicking to increase or quickly triple-clicking to decrease. 9. Factory reset: Click the button to switch to the off-screen interface, long press the button to enter the product background, and select "Reset" to restore factory settings.