This Marshall CV620-BK2 Full-HD PTZ camera doesn't come with a power supply. It offers high - definition video in multiple formats including 1920x1080i, 1920x1080p, and 1280x720p. A remote control is included. Although there's a rattling sound inside, the camera still works perfectly.

Using this Marshall CV620 - BK2 Full - HD PTZ camera is quite easy. First, you need to connect it to an appropriate power source as it doesn't come with a power supply. Then, use the included remote to control the camera's movement and settings. When using it, make sure the area around the camera is free from obstacles. As for maintenance, keep the camera clean by using a soft, dry cloth. Avoid using harsh chemicals. Even though there's a rattling sound inside, it doesn't affect the function, but if the sound gets worse or the camera starts to malfunction, it's best to contact a professional for inspection.