Uniview Wireless Plug-In Doorbell Chime Receiver with Sub-1 GHz Connection, 3 Ringtones & Adjustable Volume (UV-ED-R1)
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 Wireless Plug-In Doorbell Chime Receiver with Sub-1 GHz Connection, 3 Ringtones & Adjustable Volume (UV-ED-R1)
The UV-ED-R1 is a dedicated wireless chime designed to work with Uniview video doorbell systems. It connects via Sub-1 GHz wireless technology, ensuring stable communication with strong wall penetration and minimal interference. The device is plug-and-play, requiring only a standard wall socket for installation. It provides audible alerts through a built-in speaker and allows users to choose between multiple ringtones and volume levels for customized notifications. This chime is ideal for residential and small office environments where reliable doorbell alerts are required without relying solely on mobile notifications.
KEY FEATURES
- Compact and modern design for indoor use
- Compatible with Uniview video doorbell systems (e.g., ED-525B-WB)
- Sub-1 GHz wireless stable connection
- Plug-and-play installation (direct wall socket)
- 3 built-in ringtone options
- 5-level adjustable volume control
- Built-in speaker for loud and clear alerts
- Low power consumption design
- Stable signal with strong wall penetration
- Simple pairing and reset functio
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