Screen rotation function: Press back button, then screen will 180 degrees rotate, so as to meet different viewing angles; Moreover, it will be automatically memorized as next turn-on mode;
Power-off memory function: It will take accumulated mAh capacity into internal EEPROM storage when module is power off; And the module will flash to remind the capacity stored last time when it is turned on again; All the data will auto return to zero once the capacity is more than 1mAh and it will recount.
Voltage: DC 3.50~13.0V;
Power: 0~30.00W;
Current: 0.00~3.00A;
Capacity: 0~99999mAh.