KWS-MX19 USB Tester DC 4V-30V 0-5A Current Voltage Meter Timing Ammeter Digital M... (COLOR1: WHITE)

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Features: ? 1. Timed shutdown setting Keep clicking the button until the screen display is shown on the right. Then long press the button for 3 seconds, the number on the screen will flash. Click the button again to increase 30 minutes delay shutdown. Then long press the button for 3 seconds to save your settings. ? 2. Overvoltage protection setting Keep clicking the button until the screen display is shown on the right. Then long press the button for 3 seconds, the number on the screen will flash. Click the button again to increase 0.5 volts. Then long press the button for 3 seconds to save your settings. ? 3. Overcurrent protection setting Keep clicking the button until the screen display is shown on the right. Then long press the button for 3 seconds, the number on the screen will flash. Click the button again to increase 0.5A current. Then long press the button for 3 seconds to save your settings. ? 4. When back to the main page, long press the button for 3 seconds to clear saved data of cumulative working time, electricity and energy. ? 5. Current and voltage calibration method : ? Please use 5.000V standard voltage . Hold the button until a??Factory settinga??appear on the LED screen . It will calibrate automaticly. ? Product Parameters: ? 1. Voltage: DC 4V-30V (Overvoltage protection can be set.) 2. Current: 0-5.5A (Overcurrent protection can be set.) 3. Power: 0-150W? 4. Electricity: 0-99999mAh 5. Energy: 0-999.9mWh? 6. Timing: 0-99hours 7. Countdown: 0-24hours? 8. Charging resistance: 0-999.99?? 9. Current/Temperature? 10. Data output voltage 11. Supply voltage ? Package Inclusions: ? 1 x ?USB Test Meter ? Details Pictures: