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General Features:

• Model: 2.4MP Analog Bullet/Varifocal Dome Camera
• Product Type: Analog CCTV Camera
• Camera Type: Bullet or Dome (depending on model)

Imaging:

• Image Sensor: 1/3" or 1/2.8" CMOS sensor
• Effective Pixels: 2.4 MP (1920 × 1080)
• Resolution:
  • 2.4 MP (1080p)
• Lens:
  • Varifocal lens
  • Lens Range: Typically 2.8 mm to 12 mm (varies by model)
• Focus Type: Manual or motorized varifocal

Video Output:

• Video Output:
  • 1 × BNC (Composite Video Output)
• Video Signal:
  • Analog CCTV (CVBS)

Night Vision:

• Infrared LEDs:
  • Typically 24 IR LEDs (varies by model)
• IR Distance:
  • Up to 30 meters (varies by model)
• Day/Night Mode:
  • Auto (typically with ICR - Infrared Cut Filter)

Performance:

• Minimum Illumination:
  • 0.05 Lux (Color) / 0.01 Lux (B/W)
• Dynamic Range:
  • Typically wide dynamic range (WDR) if included

Environmental:

• Weatherproof Rating:
  • IP66 or IP67 (varies by model, indicates protection against dust and water)
• Operating Temperature:
  • -10°C to +50°C (14°F to 122°F)

Power:

• Power Supply:
  • 12V DC (typically)
• Power Consumption:
  • Approx. 4-6W (varies by model)

Physical Specifications:

• Housing Material:
  • Metal or plastic (depending on model)
• Dimensions:
  • Varies by model
• Weight:
  • Varies by model

Additional Features:

• Adjustable Mounting Bracket:
  • Yes, for flexible installation
• OSD (On-Screen Display):
  • Not typically available on analog cameras

General Features:

• Model: NVR4000
• Product Type: Network Video Recorder (NVR)
• Channels: 4 channels

Video Input:

• Input Ports:
  • 4 × IP Camera Inputs
• Resolution Support:
  • Up to 4K (3840 × 2160) recording and playback

Recording:

• Recording Resolution:
  • Up to 4K (3840 × 2160) at 15 fps (frames per second)
  • 1080p at 30 fps
• Recording Modes: Manual, Continuous, Motion Detection, Alarm, and Scheduled

Compression:

• Video Compression Standards:
  • H.265
  • H.264
  • H.264+
• Audio Compression: G.711

Storage:

• Internal Storage:
  • 1 × SATA HDD
  • HDD Capacity: Up to 8 TB
• Backup: Support for external backup via USB or network

Playback:

• Playback Channels: Up to 4 channels simultaneous playback
• Playback Resolution: Up to 4K (3840 × 2160)
• Playback Features: Fast forward, rewind, pause, zoom, and search

Network:

• Network Interface:
  • 1 × RJ45 10M/100M/1000M Ethernet port
• Network Protocols: TCP/IP, HTTP, DHCP, DNS, RTP, RTSP, IPv4
• Remote Access:
  • Mobile App: DMSS (Dahua Mobile Surveillance)
  • PC Software: SmartPSS

Interfaces:

• Video Output:
  • 1 × HDMI (Up to 4K output)
  • 1 × VGA (Up to 1920 × 1080)
• Audio Input/Output:
  • 1 × Audio Input (RCA)
  • 1 × Audio Output (RCA)
• USB Ports: 2 × USB 2.0 (for data transfer and backup)
• Alarm I/O: 4 × Alarm Inputs, 1 × Alarm Output

General:

• Power Supply:
  • 100-240V AC, 50/60 Hz
• Power Consumption:
  • Max. 20 W (without HDD)
• Dimensions:
  • 430 mm × 320 mm × 45 mm (16.9" × 12.6" × 1.8")
• Weight:
  • Approx. 2.2 kg (4.8 lbs)

Environmental:

• Operating Temperature:
  • 0 °C to +40 °C (32 °F to 104 °F)
• Operating Humidity:
  • 10% to 90% (non-condensing)

Additional Features:

• Smart Features:
  • Motion detection
  • Video loss detection
  • Tampering alarm
• Firmware: Upgradable via USB or network

General Features:

• Model: PFS4220-16P-250
• Product Type: Managed POE Switch
• Ports:
  • 16 × 10/100/1000 Mbps PoE Ports
  • 2 × Gigabit SFP Ports

Power Over Ethernet (PoE):

• PoE Standard:
  • IEEE 802.3af (PoE)
  • IEEE 802.3at (PoE+)
• Total PoE Budget:
  • 250W
• PoE Power Output per Port:
  • Up to 30W (for PoE+)

Performance:

• Switching Capacity:
  • 32 Gbps
• Forwarding Rate:
  • 23.8 Mpps (Million Packets Per Second)
• MAC Address Table:
  • 8K entries

Network:

• Layer: Layer 2
• Switching Method: Store-and-Forward
• Network Protocols:
  • IEEE 802.1Q VLAN
  • IEEE 802.3x Flow Control

Features:

• VLAN Support:
  • Yes (Port-based and 802.1Q VLAN)
• Link Aggregation:
  • Yes (Static Link Aggregation)
• Spanning Tree Protocol:
  • Yes (STP, RSTP, MSTP)
• Loop Prevention:
  • Yes
• Port Mirroring:
  • Yes

Management:

• Management Interface:
  • Web-based GUI
  • SNMP (Simple Network Management Protocol)
  • CLI (Command Line Interface)

Environmental:

• Operating Temperature:
  • 0°C to 50°C (32°F to 122°F)
• Operating Humidity:
  • 10% to 90% (non-condensing)

Power:

• Power Supply:
  • Internal AC Power Supply
  • AC Input: 100-240V AC, 50/60Hz
• Power Consumption:
  • Approx. 300W (including PoE power budget)

Physical Specifications:

• Dimensions:
  • 440 mm × 220 mm × 44 mm (17.3" × 8.7" × 1.7")
• Weight:
  • Approx. 3.5 kg (7.7 lbs)
• Mounting:
  • Rack-mountable (1U height)

Additional Features:

• Cooling:
  • Fanless design for silent operation
• LED Indicators:
  • Power, PoE status, Port status, Link/Activity