EZVIZ DB1 PRO 5MP Wifi Doorbell Camera (Wired AI doorbell)
- CCTV Lens Guide
- Hard Drive Size Guide
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, frame rate settings, and whether you have H.265 encoding enabled or not to save space (We advise turning it on to double the capacity shown below with ease).
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 (to perhaps double or more these figures again).
|
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 2 Terabytes for a 4 x 4/5MP HD camera setup, as this should give you approx 2 weeks using H.265 @ 20fps and that is on continuous, not motion-detected recording.
(You may only require the full 25 frames per second on certain cameras if things are fast-moving - ie above a till)
You can also use the Hikvision online calculator to work out what works best for you specifically: https://tools.hikvision.com/ca...
(All of our hard drives come fitted and are CCTV-specific from one of the major brands)

Choose the all-new DB1 Pro to enjoy next-level protection and convenience at your front door. See your visitors from head to toe in ultra-clear 2K+ video.
Greet them from wherever you are, and get real-time alerts on events that you care about. Slim and weatherproof, the doorbell will perfectly match the style of any apartment, condo or villa.
See ultra-clear and ultra-wide, day or night
The DB1 Pro features impressive 2K+ video quality and an ultra-wide field of view, so you can see your visitors from head to toe in vivid details. Even in the dark, you will see clearly with the extended 5-meter infrared night vision.
Built-in AI for smarter alerts
Know who’s there even before it rings. With its built-in AI chip, you can set the DB1 Pro to alert you only when people or vehicles appear in your pre-set detection area.
Dual-band Wi-Fi connection boost
No more struggles to get your doorbell stably connected. You can switch between 2.4 and 5 GHz frequency bands to ensure that the DB1 Pro runs with a stronger wireless signal and delivers faster alerts.
Built for any weather
It’s a doorbell that you can set and forget. Rainy, snowy or stormy, the DB1 Pro is here to deliver steady performance.
Answer your door, at home or away
Whenever a visitor presses your doorbell, you will receive a video call on your phone. See, hear and talk clearly, so the person knows if it’s a good time to visit.
Save on storage space and ease network loads
The doorbell features the advanced H.265 video compression technology, achieving same video quality while reducing the required bandwidth and storage space by up to 50%2.
Flexible storage you can trust
You’ll never miss a moment with the DB1 Pro. Save all event-triggered videos locally on a microSD card up to 256 GB, or subscribe to EZVIZ CloudPlay for fully encrypted cloud storage.
We protect your data and privacy
Your data security and privacy is the cornerstone of every product we design. Data activities between the device and the EZVIZ Cloud are encrypted from end to end. Only you have the keys to decrypt your data.
1. The local storage card needs to be purchased separately.
2. When the 24/7 recording mode is applied, the H.265 technology can reduce the video storage space and bandwidth by 50% as compared to H.264.
3. The cloud storage service is only available in certain markets. Please verify availability before making a purchase.
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