AXIS D4100-VE Mk II Network Strobe Siren (03105-001) – Outdoor Audio-Visual Alarm Device with Light & Sound Alert System
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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AXIS D4100-VE Mk II Network Strobe Siren (03105-001) – Outdoor Audio-Visual Alarm Device with Light & Sound Alert System.
The AXIS D4100-VE Mk II Network Strobe Siren (03105-001) is an advanced audio-visual alerting device designed for modern security and surveillance systems. It combines a high-intensity strobe light with a powerful siren to provide instant deterrence and notification in case of intrusion or emergency events. With IP66 and IK10-rated rugged housing, it is built for harsh outdoor environments and integrates seamlessly with IP cameras, VMS platforms, and security systems for automated alerts and responses.
Key Features:
Network-enabled strobe siren with audio + visual alerts
High-intensity multi-colour LED strobe lighting
Powerful built-in siren for intrusion deterrence
IP66 weatherproof and IK10 vandal-resistant housing
PoE powered for simple installation
Supports integration with VMS and IP cameras
Compatible with security automation and event triggers
Multiple alert profiles with priority-based activation
Suitable for perimeter security and industrial sites
Designed for outdoor harsh environment operation. Application - Perimeter Security, Intrusion Alert, Industrial Safety
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