# eufy Baby Monitor E21, 4K camera and 5-inch 720p display

eufy Security: The eufy Baby Monitor E21 pairs a camera advertised as 4K with a 5-inch 720p display, plus local monitor and app viewing. Its hybrid connection, battery operation and pan-tilt features may suit families who want both at-home and travel monitoring, but buyer feedback flags connectivity and crying-alert concerns.

- [Original product page](https://bargainpostbox.co.uk/product/eufy-baby-monitor-e21-4k-camera)
- [View offer](https://bargainpostbox.co.uk/visit/eufy-baby-monitor-e21-4k-camera)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: eufy Security
- Model: Baby Monitor E21
- Category: Baby > Baby Safety & Monitors
- Price: 179.00 GBP
- Previous price: 249.00 GBP
- Discount: 28%
- Price checked: 2026-11-12T14:43:18.975Z
- Rating: 4 / 5
- Reviews: 411

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Hybrid operation offers viewing through the monitor locally or through the app when the camera's Wi-Fi switch is on and connected to a router.
- The listing claims 330° pan, 60° tilt, 8× zoom and night vision for repositioning and checking detail.
- The camera is described as usable while plugged in or on its built-in 5,000mAh battery. The listing estimates about 9 hours, or around 5.5 hours with night vision.
- Cry and loud-noise detection, temperature monitoring and two-way audio are listed. The listing says detection sensitivity can be adjusted.

## Pros

- Local monitor viewing can continue with the camera's Wi-Fi switch off, while Wi-Fi enables app livestreaming.
- Battery operation and the stated runtime make the camera a potential option for moving between rooms or travelling without relying on a nearby socket.
- The listing combines night vision, camera movement, zoom and two-way audio in a baby-monitoring setup.

## Cons

- Customer feedback reports connectivity problems and negative experiences with crying notifications, which matter for a monitor relied on for remote checks or alerts.

## Specifications

### Identity
- Brand: eufy Security
- Model: Baby Monitor E21
### Display and video
- Video format listed: MP4
- Camera resolution claimed in title: 4K UHD
- Camera resolution in product details: 4k
- Monitor display claimed in title: 5" 720p
### Connectivity and controls
- Wireless connection listed: Bluetooth
- Control methods listed: App
### Power and battery
- Power configuration: Battery Powered
- Camera battery capacity claimed: 5,000mAh
- Approximate runtime on battery: about 9 hours of use and around 5.5 hours with night vision
### Dimensions and installation
- Mounting types listed: Tabletop Mount
- Dimensions listed: 23.6 x 19.6 x 12.4 centimetres
### Materials and protection
- Material listed: Acrylonitrile Butadiene Styrene \(ABS\), Polycarbonate \(PC\)
### Camera movement and monitoring
- Pan range claimed: 330°
- Tilt range claimed: 60°
- Zoom claimed: 8×
- Camera count supported in listing details: two feeds on one split screen
- Family app sharing claimed: up to 5 family members
- Noise reduction claimed: 20 dB

## Before you buy

- The stated battery runtimes are estimates. The listing gives a shorter figure specifically when night vision is used.
- App livestreaming requires the camera Wi-Fi switch to be on and connected to a router. With the switch off, the listing says it connects only to the monitor.
- The listing recommends updating firmware on both the camera and monitor for first use.
- Listing details are inconsistent about the video setup: the title claims a 4K camera and 5-inch 720p display, while product details separately list 4k capture resolution and HD resolution, with no display size or pixel resolution confirmed there. The details list Bluetooth, while feature copy describes Wi-Fi and local connections. The listing also claims a two-feed split screen but gives no clear camera quantity in the contents, and describes plug-in or battery power despite the separate battery-powered field. Confirm the exact camera/display configuration, included cameras and charging arrangement for the selected listing.

## In the box

- / (Check selected pack): The contents field contains only a slash, so it does not identify the supplied components. Check the selected listing for the package contents.

## A good fit for

- Families who want both a local monitor connection and optional app access when Wi-Fi is available.
- Those who may move the camera between rooms or take it on trips and can work within the stated battery-runtime estimates.
- Buyers looking for listed night vision, two-way audio, camera pan and tilt, zoom, and monitoring alerts.

## Less suited to

- Buyers who need consistently reliable connectivity or cry alerts, given the concerns reported in customer feedback.
- Buyers who require a confirmed camera resolution, display resolution or camera count without checking the selected listing.

## Customer feedback

Customer feedback highlights image quality, particularly night vision, and battery life as strengths. Reports about functionality, Wi-Fi connectivity and app use are mixed, while crying notifications receive negative feedback. These concerns are especially relevant for remote monitoring and alert-dependent use, despite the listing's hybrid connection and detection claims. Overall ratings are mixed rather than uniformly positive.
- Positive themes: Customers describe image quality, especially night vision, positively.
- Positive themes: Customers appreciate the battery life.
- Negative themes: The feedback summary reports negative experiences with crying notifications.
- Mixed feedback: Customers give mixed feedback on overall functionality, Wi-Fi connectivity and app use.
- Mixed feedback: Opinions on value for money are mixed.

## Frequently asked questions

### Can the monitor work without Wi-Fi?
The listing says the camera connects to the monitor when its Wi-Fi switch is off. App livestreaming requires the switch to be on and the camera connected to a router.
### How long does the camera battery last?
The listing estimates about 9 hours on battery, or around 5.5 hours with night vision. These are stated estimates, not guaranteed runtimes.
### Is the camera definitely 4K and the display 720p?
The title claims a 4K camera and 5-inch 720p display, but other listing details do not consistently confirm those display specifications. Check the exact configuration before buying.
### Does it include two cameras for split-screen viewing?
The feature copy claims two feeds on one split screen, but the camera quantity in the package contents is not specified clearly. Confirm how many cameras are supplied.

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## Images

![eufy Baby Monitor E21, 4K camera and 5-inch 720p display — 1](https://bargainpostbox.co.uk/i/hfoZzxOITqYj-o6grnD9OlE0Mr5KgLsp1Ky_WK8DDSss171_Z3B0LgeiqnTmE7qCE2ecCq9DqYBoFuu1G7E-9x-B7HczFGADoI1R1h2IRyrCeTXVQldFf1qI.jpg)

![eufy Baby Monitor E21, 4K camera and 5-inch 720p display — 2](https://bargainpostbox.co.uk/i/Dnu2eX6gqRh_ZCc-bInUjDtunPKRetdx_F9r4HfA5hkca1PUbJWubfpvTBDn2feXRtCkPnDvsgzQST5lY4IV4cVlM366I3N32IFsiI1OXw6NLW2p5cz5G4vT.jpg)

![eufy Baby Monitor E21, 4K camera and 5-inch 720p display — 3](https://bargainpostbox.co.uk/i/Y47nyV2IYc8jUfoj7_dOcOHfi4o4pNKDHh2IV7VqW3DgGva5UaHQVUdTcOsN4slglOKVC_sJ-I_z7BA8oNSG7asaHNb9wO-eFop-00eBDqC77V19px9u_yTE.jpg)

![eufy Baby Monitor E21, 4K camera and 5-inch 720p display — 4](https://bargainpostbox.co.uk/i/5K8zWalmnczQSXKynKk838cDNDnK-WgjHQ5Yp2v6tHZE2weuE2SGOrrIZALBs5_J3bCVZWc3aHHknamhJZ78rQ1QtAbDFm-B_8Cp7jpgnyAuh5AK94VRIh1L.jpg)

![eufy Baby Monitor E21, 4K camera and 5-inch 720p display — 5](https://bargainpostbox.co.uk/i/_hvj_-fDXG7WRZDht8QWRikFbMSs_lE7Vg15IwCC7KzCMTtLPgWfp1WChTBjPW6cXpE0uV-SKhQCr2J2XBi0FONywUrT8ASZ7NkO5tNK_O2Ptc1CSXZmuQ3V.jpg)

![eufy Baby Monitor E21, 4K camera and 5-inch 720p display — 6](https://bargainpostbox.co.uk/i/q5ZMGHtNdaMXrGc5lKa93_xkaaX4VwQoRUQoLnsNEg6BJUJC3-_ptH6MzT9u4RHPjq4Mu6f8mrysrnBPfszslD7ZBOQxY_PgB4VHxOY9XUyGmv_Zgx_dq2hp.jpg)