1. General Specifications:

• Product Model: Dahua NVR4216-4KS2/L
• Channels: 16-channel NVR for IP cameras
• Maximum Supported Resolution: Up to 4K (3840 x 2160 pixels) per channel
• Processor: Industrial-grade embedded processor
• Operating System: Embedded Linux OS

2. Video Input & Decoding:

• Input Channels: 16 channels for IP cameras
• Max Camera Resolution: Supports up to 12MP resolution per channel
• Decoding Capability:
  • 1 channel @ 12MP
  • 4 channels @ 4K
  • 8 channels @ 1080p
• Max Incoming Bandwidth: 160 Mbps for video input
• Video Compression:
  • H.265
  • H.264
  • H.264+

3. Recording & Playback:

• Recording Resolution: Supports 12MP, 8MP, 6MP, 5MP, 4MP, 3MP, 1080p, 720p, and lower resolutions
• Recording Modes:
  • Manual recording
  • Scheduled recording
  • Motion detection-triggered recording
  • Alarm-based recording
  • Event-triggered recording
• Simultaneous Playback: Up to 16 channels simultaneous playback
• Playback Functions: Play, pause, stop, fast-forward, rewind, and smart search

4. Video Output:

• HDMI Output: 1 x HDMI port (supports up to 4K resolution)
• VGA Output: 1 x VGA port (supports up to 1080p resolution)
• Multi-screen Display: Allows simultaneous display of multiple camera feeds on a single monitor

5. Storage & Backup:

• Hard Drive Support:
  • 2 SATA ports for internal storage (up to 10TB each, 20TB total)
  • HDD Capacity: Supports up to 20TB total storage (HDD not included)
• Backup Methods:
  • USB devices (via USB 2.0/USB 3.0 ports)
  • Network backup through LAN connection

6. Networking & Protocols:

• Network Interface:
  • 1 x RJ45 10/100/1000 Mbps Ethernet port
• Supported Network Protocols:
  • HTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, DDNS, FTP, IP Filter, P2P
  • ONVIF Compatibility: ONVIF Profile S, G, T
  • Supports third-party camera integration
• Remote Access:
  • Mobile App: DMSS mobile app for remote viewing and control (iOS & Android)
  • Web Browser: Remote access through Internet Explorer, Firefox, or Chrome

7. PoE (Power over Ethernet):

• PoE Support: No built-in PoE; requires external PoE switch for powering IP cameras (optional)

8. Audio Input/Output:

• Audio Input: 1 channel RCA input for external microphones
• Audio Output: 1 channel RCA output for external speakers
• Two-way Audio: Supported for real-time communication

9. Alarm I/O:

• Alarm Input: 4 channels (supports external alarm devices)
• Alarm Output: 2 channels (for controlling external alarm devices)

10. Power & Environmental:

• Power Supply: DC 12V/4A
• Power Consumption: ≤10W (without HDD)
• Operating Temperature: -10°C to 55°C (14°F to 131°F)
• Operating Humidity: 10% to 90% RH (non-condensing)

11. Physical Dimensions & Weight:

• Dimensions: 375 mm x 281 mm x 56 mm (14.8 in x 11 in x 2.2 in)
• Weight: 1.6 kg (3.53 lbs) without HDD

12. Smart Features:

• Intelligent Video System (IVS):
  • Tripwire detection
  • Intrusion detection
  • Abandoned/missing object detection
• Face Detection: Supported
• Video Analytics: Smart search based on motion detection and events
• Motion Detection: Built-in motion detection with configurable sensitivity
• Video Tampering: Alerts when the camera's view is obstructed

13. Connectivity & Ports:

• USB Ports:
  • 1 x USB 2.0 (Front)
  • 1 x USB 3.0 (Rear) for faster data transfers and backup
• Ethernet Port: 1 x RJ45 10/100/1000 Mbps Ethernet port for network connectivity

14. Certifications:

• Certifications: CE, FCC, UL certified, ensuring compliance with safety and performance standards

15. Remote Monitoring & Access:

• Mobile App: Supports remote monitoring via the DMSS app (iOS & Android)
• Web Browser: Internet Explorer, Chrome, Firefox support for remote viewing on PC or laptop
• P2P: Supports P2P for easy setup without complex port forwarding