Using the SpeedyBee 30x30 4-in-1 60A ESC is easy. First, make sure to connect it to a 3 - 6S LiPo power source as specified. Download the PC configurator from the link https://esc-configurator.com/ to set it up according to your needs. When installing, use the 30.5 x 30.5mm mounting holes with a 4mm diameter. As for maintenance, keep it clean and dry. Avoid exposing it to extreme temperatures. If you notice any issues, check the connections and the firmware. Always handle it with care to ensure long - lasting performance.