General

• Model: DS-7604NI-K1/W
• Type: Network Video Recorder (NVR)
• Channels: 4 channels
• Form Factor: 1U Rackmount
• Video Compression: H.265+/H.265/H.264+/H.264
• Max. Incoming Bandwidth: 40 Mbps
• Max. Recording Resolution: 4K (3840 × 2160)
• Max. Playback Resolution: 4K (3840 × 2160)

Video Inputs

• Network Video Inputs:
  • 4 × IP camera channels

Video Outputs

• HDMI Output:
  • 1 × HDMI output (up to 4K resolution)
• VGA Output:
  • 1 × VGA output (up to 1920 × 1080 resolution)
• Display Outputs:
  • 1 × HDMI
  • 1 × VGA

Audio

• Audio Inputs:
  • 1 × RCA input (for audio recording)
• Audio Outputs:
  • 1 × RCA output (for audio playback)

Recording

• Recording Modes:
  • Continuous recording
  • Motion detection recording
  • Alarm recording
  • Scheduled recording
• Max. Recording Speed:
  • 4K: Up to 15 fps per channel
  • 1080p: Up to 30 fps per channel
• Record Bitrate: 32 Kbps to 8192 Kbps per channel

Storage

• HDD Interface: 1 × SATA interface
• HDD Capacity: Supports up to 6 TB per HDD
• Recording Resolution and Frame Rate:
  • 4K: Up to 15 fps
  • 1080p: Up to 30 fps

Network

• Network Interface:
  • 1 × RJ45 10M/100M/1000M self-adaptive Ethernet port
• Wi-Fi:
  • Built-in Wi-Fi capability
• Protocols Supported:
  • TCP/IP, DHCP, DNS, DDNS, NTP, FTP, HTTP, HTTPS, UPnP
• Remote Access:
  • Mobile App support (iOS and Android)
  • Web browser access

Alarm & Event

• Alarm Inputs:
  • 4 × Alarm inputs
• Alarm Outputs:
  • 1 × Relay output
• Alarm Triggers:
  • Motion detection
  • Video loss
  • Alarm input

Interface

• USB Ports:
  • 2 × USB 2.0 ports (for backup and mouse)
• RS-485 Interface:
  • 1 × RS-485 port (for PTZ control)
• Audio Interface:
  • 1 × Audio input
  • 1 × Audio output

Display and GUI

• User Interface:
  • On-screen display (OSD)
  • Menu navigation via remote control or mouse
• Graphical User Interface (GUI):
  • Easy-to-navigate menu with support for multiple languages

Physical & Environmental

• Dimensions: 315 × 240 × 44 mm (12.4″ × 9.4″ × 1.7″)
• Weight: Approx. 2.6 kg (5.7 lbs)
• Power Supply:
  • 12 V DC ± 10%
  • Power Consumption: Max. 15 W (excluding HDD)
• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Operating Humidity: 10% to 90% (non-condensing)

Additional Features

• User Management: Multiple user roles with customizable permissions
• Backup: Supports backup to USB drives and network storage
• Firmware: Upgradable via USB or network