This device is a network video recorder from Hikvision, specifically model DS-7732NXI-K4(D). Here are the complete and detailed technical specifications for this model: 1. Channels and Network Connectivity Number of Channels: Supports connection of up to 32 IP network cameras. Bandwidth: Supports an incoming bandwidth of up to 256 Mbps. Supports an outgoing bandwidth of up to 160 Mbps. Network Ports: Features two self-adaptive Ethernet interfaces (2x RJ-4( Phone number appears when clicking the contact button ) Mbps). 2. Display Quality and Decoding Resolution Supported Recording Resolution: Supports very high camera resolutions starting from standard resolutions up to 12MP (12MP / 8MP / 6MP / 5MP / 4MP / 3MP / 1080p, etc.). Video Outputs (Monitors): Has two independent outputs: HDMI port supporting display resolution up to 4K (3840 × 2160). VGA port supporting display resolution up to 1080p. Compression Formats (Encoding): Supports advanced smart codecs that save storage space up to 75%: H.265+ / H.265 / H.264+ / H.264. 3. Capacity and Storage Hard Drive Bays: Features 4 internal SATA ports for connecting Hard Drives. Supported Capacity: Supports hard drives with a capacity of up to 16TB per SATA port (a very large total storage capacity). 4. Smart Features and AI (AcuSense AI) This device belongs to the renowned AcuSense series, offering advanced AI-powered analytics including: Motion Detection 2.0: Available on all channels, accurately distinguishing between human and vehicle motion to reduce false alarms caused by trees, animals, or lighting. Perimeter Protection: Video analysis on 2 channels for accurate detection of intrusions and security fences. Facial Recognition: Supports image comparison and search, with the ability to create up to 16 facial databases accommodating a total of 20,000 facial images. 5. Additional Ports and Power USB Ports: Features 3 ports (two USB 2.0 ports in the front, and one high-speed USB 3.0 port in the back). Audio Inputs/Outputs: RCA port (Audio In / Audio Out) for bidirectional audio support. Alarms: Includes external alarm connection ports (16 alarm inputs / 4 relay outputs). System Management: Supports the Hik-Connect app for easy remote monitoring and control via phone. Device Power: Operates directly on AC power (100 to 240 VAC).