AT-CTV-NKEY501 is a versatile security keyboard that supports both IP and analog camera control. With ONVIF and Pelco protocols, it lets you manage PTZ functions like zoom, focus, and preset with ease. You can connect up to 255 devices on the same network, add devices even when offline, and auto-search for connected cameras. It also supports full NVR control and allows device setup through an IE browser. Perfect for efficient and centralized surveillance management.