2024-07-03 00:00:00 APP complete explanation View the total working time and partial working time information of the device, and set the initial value. View the historical information of daily usage of device, which can conveniently know the utilization rate of the device. View the maintenance information of device. 35 kinds of maintenance information are optional and settable, which can maintain user's devices more conveniently. View the current rpm information and historical maximum rpm of device, which can facilitate understanding of the status of the device.