Usage:

1. Parameters
Voltage DC4V-30V (overvoltage protection can be set arbitrarily)
Current 0-5A (overcurrent protection can be set arbitrarily)
Reckon by time 0-99 hours
Fixed Time 0-24 hoursPower 0-90W
Power 0-999.9Wh
Capacity 0-99999mAh
Internal resistance 0-999.99 ohms

2.Timing shutdown settings
Press the button on a single screen to display this content. Long press the button for three seconds The number on the screen will flash. Press the button once again. Plus 30 minutes delay shutdown. Press the key for three seconds, to determine the parameters to save their own settings.

3.Overvoltage protection settings instructions
Press the button on a single screen to display this content. Long press the button for three seconds The number on the screen will flash. Press the button once again. Plus 0.5 volts. Press the key for three seconds, to determine the parameters to save their own settings.

4.Over-current protection settings instructions
Press the button on a single screen to display this content. Long press the button for three seconds The number on the screen will flash. Press the button once again. Plus 0.5 am. Press the key for three seconds, to determine the parameters to save their own settings.

5.Cumulative working hours, power, capacity, in the back to the main screen when the long press button 3 seconds to clear the retained data.