Dahua NVR5416-16P-XI – 16 Channel WizMind AI Network Video Recorder with 16 PoE Ports (1.5U, 4 HDD Bays)
Unless selecting a vari-focal camera (with an adjustable lens) It is important to select the correct camera lens option for where the camera is to be positioned. A smaller lens will give you a wider angle but will be "zoomed out more", while a bigger lens will narrow the angle down and "zoom in more". See below to give you some idea on angles of Megapixel HD Cameras:
| Lens in mm | Approx Viewing Angle (degrees) | Ideal Distance (metres) | Typical usage/notes |
|---|---|---|---|
| 2.8 | 106 | <6 | For seeing as much of the immediate area as possible such as above a doorway/low down/garage soffits (edges can appear slightly warped/distorted) - clearly "zoomed out" |
| 3.6/4 | 83-90 | <12 | A great general purpose option giving great coverage still in the corner of a room or higher up on second floor soffits with less distortion - more of a natural "zoom" |
| 6 | 56 | 6-20 | Narrows down the angle and zooms in to look past the immediate area a little to gain more detail - down a driveway for example from higher up |
| 12 | 24 | 20+ | Zooms in significantly more to look at a gate, entrance or adjascent building |
| 16 | 19 | 24+ | As above but more so |
The amount of hard drive space you require is dictated by how many cameras, as well as their resolution and frame rate settings. Finally you can often make your storage space last a lot longer by enabling motion detected recording rather than continuous, especially if there are long periods of no activity.
|
Resolution (Megapixels) |
Days of storage provided by 1TB per camera (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (50% motion- 15 frames per second) |
|---|---|---|---|
| 1 | 44 | 11 | 36 |
| 2 | 22 | 5 | 18 |
| 3 | 17 | 4 | 14 |
| 4 | 11 | 3 | 9 |
| 5 | 9 | 2 | 8 |
| 6 | 8 | 2 | 6 |
| 8 (4K) | 5 | 1 | 4 |
| 12 | 4 | 0.5 | 3 |
As a rule of thumb we recommend a minimum of 2 Terabytes per 4 x 2-4MP HD cameras, as this should give you 2 weeks to a month with a few adjustments on motion detected recording. You may only require the full 25 frames per second on certain cameras if things are fast moving.
(All of our hard drives come fitted and are CCTV specific from one of the major brands)
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Dahua NVR5416-16P-XI – 16 Channel WizMind AI Network Video Recorder with 16 PoE Ports (1.5U, 4 HDD Bays)
The Dahua NVR5416-16P-XI is a powerful enterprise-class network video recorder from Dahua’s WizMind Series, designed to deliver intelligent video surveillance, advanced analytics, and reliable recording performance for demanding security environments. Supporting up to 16 IP camera channels with 16 built-in PoE ports, the recorder enables direct camera connectivity without requiring additional PoE switches, simplifying deployment and reducing installation costs. It supports IP cameras with resolutions of up to 32MP, ensuring exceptionally detailed video capture for critical monitoring applications. Powered by Dahua's deep-learning AI technology, the NVR offers comprehensive intelligent functions including face detection and recognition, perimeter protection, Smart Motion Detection Plus (SMD Plus), AcuPick intelligent search, video metadata analysis, and licence plate recognition when used with compatible AI cameras. These features improve event detection accuracy, reduce false alarms, and accelerate forensic investigations. The recorder delivers a maximum 512 Mbps incoming, recording, and outgoing bandwidth, ensuring smooth handling of multiple high-resolution video streams. Its advanced decoding capability supports up to 32 channels of 1080p video at 30 fps, making it suitable for complex multi-camera installations.
KEY FEATURES
- 16-channel IP camera support
- 16 integrated PoE ports (IEEE 802.3af/at)
- Supports camera resolutions up to 32MP
- WizMind AI deep-learning analytics
- Face detection and face recognition
- AcuPick intelligent video search
- Smart Motion Detection Plus (SMD Plus)
- Perimeter protection with false alarm filtering
- Video metadata analysis
- ANPR support through compatible AI cameras
- Maximum 512 Mbps incoming, recording, and outgoing bandwidth
- Decoding capability up to 32 × 1080p @ 30fps
- Smart H.265+, H.265, Smart H.264+, and H.264 compression
- Four SATA HDD bays supporting up to 20TB per drive
- iSCSI storage expansion support
- Dual HDMI and dual VGA video outputs
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