Using the BIGTREETECH K - Touch is a breeze. First, make sure your 3D printers are Klipper - based. Then, connect the device to the printers following the simple setup instructions. You can use it from anywhere as long as it's within range. When using, keep it away from extreme temperatures and moisture. For maintenance, just wipe it clean with a soft, dry cloth regularly. That's it! Enjoy a seamless 3D printing monitoring experience.