Shenzhen Gospell Smarthome Electronic TW5GP-715, TW5GP-860T User manual

Hello, I'm a chat assistant that has read the user guide for the Remote Control Camera Kit 860Q. I understand the kit includes a wireless camera and receiver, with features like remote control, horizontal and vertical rotation, and multi-camera support. I'm ready to answer your questions about its setup and operation.
What is included in the packing list?

How do I power the receiver?

How do I control the camera's direction?

How many cameras can the receiver support?