This 64x32 flexible RGB LED matrix is a great choice for your display needs. To use it, first, connect it to a suitable microcontroller like Raspberry Pi or Mega 2560, as it won't work with the Uno board. You can connect multiple panels together using the DATA_IN and DATA_OUT connectors on the back to create a large screen. Make sure to provide an external power supply, or the display might be unclear or incomplete.
When handling the matrix, be careful not to bend it more than 30 degrees or bend it repeatedly, as this can cause damage. For the best viewing experience, view it from a distance of 4 to 30 meters.
As for maintenance, keep it in a dry and clean environment. If there's dust on it, use a soft, dry cloth to gently wipe it. That's all you need to know to make the most of this awesome LED matrix!