Alhua recording devices are professional video recording units that record images from security cameras in high resolution, offering monitoring and playback capabilities. DVR models are produced for analog systems, and NVR models are produced for IP cameras. Thanks to advanced H.265+ compression technology, it provides high storage efficiency, uninterrupted 24/7 recording, and remote monitoring (mobile / web / PC).

• Recording type: DVR (coaxial / analog) or NVR (IP-based)

• Number of channels: 4 / 8 / 16 / 32 channels (depending on model)

• Supported resolution:

  • DVR: 2 MP, 4 MP, 5 MP, 8 MP (4K)

  • NVR: 8 MP (4K Ultra HD)

• Image compression: H.265 / H.265+ / H.264 / Smart Codec

• Maximum recording speed: 25–30 fps @ each channel

• Video output: HDMI (1080p / 4K), VGA

• Audio input/output: 1–4 channels (depending on model), G.711A codec

• Network connection: RJ45 10/100 Mbps or Gigabit Ethernet

• Storage:

  • 1 – 2 – 4 SATA HDD support (up to 10 TB each)

  • eSATA or NAS support (on some models)

• USB ports: 2 × USB 2.0 or 1 × USB 3.0 + 1 × USB 2.0

• Smart functions:

  • Motion detection

  • Image loss / masking detection

  • Smart Search

  • IVS (Line Crossing, Intrusion, Object Abandon/Remove etc.)

• Remote monitoring: Dahua DMSS / SmartPSS / web interface / NVR mobile app

• Backup: USB / network / cloud (P2P)

• Power supply: 12 V DC ±10 % (typical 2–3 A)

• Power consumption: < 15–25 W (diskless)

• Operating temperature: −10 °C … +55 °C

• Body: Metal or ABS case (depending on model)

• Protection: Overheat, voltage and short circuit protection

• Dimensions: ~260 × 230 × 50 mm (compact), large models 375 × 285 × 53 mm

• Weight: 1.5 – 3 kg

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