You can also record live video, but a strong internet connection is necessary for this tool to connect to your camera. It provides a real-time video review of up to 16 channels and lets you view your camera's surroundings in real-time, regardless of location. Zooming in and out in preview mode can be done quickly in real-time, making it easier to see details. One of them is PTZ or pinch-to-zoom control and camera movement. IVMS-4500 HD is equipped with a lot of useful features.