Haydon HAY-DC JACK PLUG MALE 12V DC Male Jack Plug Adapter – 2.1mm Screw Terminal Power Connector – Pack of 10
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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Haydon HAY-DC JACK PLUG MALE 12V DC Male Jack Plug Adapter – 2.1mm Screw Terminal Power Connector – Pack of 10
The Haydon HAY-DC JACK PLUG MALE is a professional 12V DC male power jack adapter designed to provide a fast and reliable method of connecting low-voltage power cables without the need for soldering. Featuring a male 2.1mm DC barrel plug on one end and a 2-pin screw terminal on the other, it offers a practical solution for CCTV cameras, LED lighting, access control systems, alarms and other 12V DC powered devices. Supplied in a convenient pack of 10, it is ideal for professional installers and maintenance engineers.
The integrated screw terminal design allows stripped cable ends to be secured quickly using a standard screwdriver, eliminating the need to cut pre-fitted power leads or carry out soldering. This simplifies installation, reduces wiring time and provides a secure electrical connection suitable for both temporary and permanent installations.
Manufactured from durable materials, the adapter is designed to withstand regular use in demanding security and electrical installations. The standard 2.1mm DC male barrel connector is compatible with a wide range of CCTV equipment, power supplies, DVRs, LED systems, access control hardware and other low-voltage devices using 12V DC power connections.
KEY FEATURES
- Professional 12V DC male jack plug adapter
- Standard 2.1mm DC male barrel connector
- 2-pin screw terminal for quick cable connection
- Solder-free installation
- Secure screw terminal design
- Eliminates the need to cut factory-fitted power leads
- Ideal for CCTV camera power connections
- Suitable for LED lighting installations
- Compatible with access control and alarm systems
- Reliable low-voltage DC power connection
- Compact inline adapter design
- Durable construction for long-term use
- Simple installation using a standard screwdriver
- Suitable for residential, commercial and industrial applications
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