Using this Plura viewfinder is easy. First, connect it to your camera using the appropriate cable. Then, plug in the included power supply to keep it running. When using, make sure the viewfinder is in a well - lit area for the best color display. Keep it away from extreme temperatures and humidity to prevent damage. After use, gently clean the LCD screen with a soft, dry cloth. Store it in a protective case to avoid scratches and bumps.