Using the Foxeer Reaper F745 AIO V3 is quite straightforward. First, make sure to connect all the wires properly according to the included guide. Connect the power supply, which should be a 2 - 6S Lipo battery with a voltage between 8.4V and 25.2V. The Micro USB port can be used for programming and other configurations. When using it, keep an eye on the working temperature, which should be between -20℃ and +55℃. For storage, make sure the temperature is between -20℃ and +70℃ and the humidity is between 20% and 95%. As for maintenance, regularly check the wires for any signs of wear and tear. If you need to program the ESC, you can choose between Bluejay (default) and BLHeli - S. Remember to handle the product with care to ensure its long - term performance.