4MP ColorHunter Bullet Black UV-IPC2224SE-DF40K-WL-I0-B
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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Uniview 4MP ColorHunter Bullet Black UV-IPC2224SE-DF40K-WL-I0-B
The UV-IPC2224SE-DF40K-WL-I0-B is a 4MP IP bullet surveillance camera designed for stable and intelligent security monitoring in both indoor and outdoor environments. It delivers high-definition 2560 × 1440 resolution video using a 1/3" CMOS sensor, ensuring clear and detailed footage for professional security applications.
This model is equipped with advanced infrared night vision and smart IR technology, allowing it to capture clear images even in complete darkness. It also features Wide Dynamic Range (WDR) for balanced exposure in challenging lighting conditions such as strong backlight or shadows.
With built-in AI functions, the camera supports human detection and motion-based alerts, reducing false alarms caused by animals or environmental movement. Its robust IP67 weatherproof housing ensures reliable performance in rain, dust, and harsh outdoor conditions.
Designed for modern IP surveillance systems, it supports efficient video compression (Ultra 265/H.265/H.264), helping reduce storage and bandwidth usage while maintaining high image quality.
Key Features
- 4MP high-definition resolution (2560 × 1440)
- Smart IR night vision for clear low-light imaging
- Advanced AI human detection for accurate alerts
- Wide Dynamic Range (WDR) for balanced lighting scenes
- 2.8mm/4.0mm lens options (wide surveillance coverage)
- Supports Ultra 265 / H.265 / H.264 compression
- IP67 weatherproof design for outdoor durability
- Motion detection with smart alarm filtering
- 24/7 stable surveillance performance
- Easy integration with NVR systems (ONVIF compatible)
- Ideal for homes, offices, shops, and outdoor security
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