Using the Foxeer H743 X8 flight controller is quite straightforward. First, connect it to your drone according to the connector type (DJI/HDZero). Make sure to use the provided cable for a proper connection. Power it up with a 4 - 8S Lipo battery. If you're using a Foxeer camera, it will plug and play, so you can quickly start your flights. When it comes to note, always check the battery voltage before each flight. The working temperature of this controller is between - 20℃ and + 55℃, and the working humidity is 20 - 95%. Avoid using it in extreme conditions. For maintenance, keep it clean and dry. Store it in a cool place within the storage temperature range of - 20℃ to + 70℃. Periodically check the connectors for any signs of wear or damage.