-The device is clean, less than a year old, and comes with two external cameras from the same company. Its memory is 2 terabytes and includes cables for the cameras. Here are the most important specifications and features of this device in a simplified way: Basic Specifications: Number of Channels: Supports connecting up to 4 network surveillance cameras (IP Cameras) simultaneously. Built-in PoE Technology: It has 4 ports (Power over Ethernet), which means it transmits power and data to the cameras via a single network cable without the need for external power sources for each camera. High Resolution: Supports recording and displaying video with a resolution of up to 8 megapixels (8MP). 2 Terabyte Storage Capacity: It has an internal port for installing one SATA hard disk with a capacity of up to 8 terabytes for storing recordings. Smart Features and Operation: Space Saving (H.265+): Supports smart video compression technologies that save up to 80% of storage space and internet speed. Remote Monitoring: You can link it to the mobile app (DMSS) to watch live streams and recordings from anywhere in the world. Outputs: It has an HDMI output and a VGA output to connect it to display screens.