This JVC viewfinder doesn't come with a power supply or connection cable. It offers high - definition and standard - definition viewing for studio use.

Using this JVC viewfinder is straightforward. Just connect it to your compatible device. Remember, it doesn't have a power supply, so you'll need to use your own. When connecting, make sure to use a proper cable that suits your device. For maintenance, keep it in a dry and clean place. Avoid exposing it to direct sunlight or extreme temperatures. Also, handle it gently to prevent any physical damage.