eufy Baby Monitor E21 with 4K UHD Camera - Hybrid WiFi or No WiFi

In this review the eufy Baby Monitor E21 is evaluated for parents who want a flexible baby camera that works both at home and on the go. The bottom line: this monitor earns attention for its 4K UHD camera and hybrid design that supports both app access and a local, noWiFi mode, making it a strong choice for families who value picture clarity and privacy. Its portable battery, pantilt zoom range, and local SD storage offer real-world convenience beyond a basic nursery camera.

Key Features

• Hybrid Monitoring: Use the app when you have internet or switch to a secure local connection for WiFifree monitoring and added privacy.
• 4K UHD Camera: High resolution plus 330 degree pan, 60 degree tilt and 8x zoom let you see facial details and even subtle chest movement at night.
• Portable Battery Power: The 5,000mAh builtin battery makes it easy to move the camera between rooms or take it on trips without relying on a plug.
• Smart Alerts and Noise Reduction: Active noise reduction and cry alerts help cut background noise and notify you to crying or loud events in the room.
• SplitScreen Monitoring: View two camera feeds on one screen for twins or multiple angles without juggling devices.
• Local Security: RSA1024 and AES128 encryption protect recordings saved to a local SD card when WiFi is disabled.

Who It's For

The E21 is best for parents and caregivers who prioritize image clarity and privacy: those who want a high resolution camera to spot small movements or nighttime breathing, and who appreciate the option to cut WiFi for a local connection. It is also a good pick for families who travel often or move the camera between rooms and need reliable battery operation for short outings.

Shoppers who want a purely cloudonly, alwaysonline monitor with unlimited remote backup or who need a bundled SD card included may want to look elsewhere; the E21 saves recordings locally (SD card not included) and emphasizes local security and hybrid operation over continuous cloud storage.

Pros & Cons

Pros

• Excellent image detail from the 4K UHD camera and effective night vision for monitoring sleep.
• Flexible power options with a substantial 5,000mAh battery for portable use.
• Meaningful privacy controls with a WiFi on/off switch and robust encryption for local storage.
• Useful noise reduction and smart alerts that cut background noise and notify caregivers.

Cons

• Some users may experience occasional connectivity delays or streaming lag when using the app over WiFi.
• An SD card is required for local recording but is not included, so addon cost and setup are needed.

Specifications

Brand	eufy Security
Camera resolution	4K UHD
Monitor display	5' 720p
Pan / Tilt / Zoom	330 pan / 60 tilt / 8x zoom
Battery	Builtin 5,000mAh
Recording	24/7 app recording to local SD card (SD card not included)
Security	RSA1024 and AES128 encryption

Our Verdict

The eufy Baby Monitor E21 is a wellrounded choice for parents who want high image fidelity, meaningful privacy controls, and the ability to use a camera away from mains power. It delivers strong value when you need clear night vision, local recording, and hybrid WiFi or offline operation, though buyers should plan to add an SD card and be aware of occasional app streaming delays.

Frequently Asked Questions

How do I update the firmware for the monitor and camera?
Connect the camera to the eufy Baby app, then go to Me > My Devices > Settings and follow prompts to update firmware on first use.

Can the camera work without WiFi?
Yes, toggle the WiFi switch to enable a secure local connection that works without internet while still recording to a local SD card.

Is an SD card included for recordings?
No, recordings are saved to a local SD card but the card is not included; plan to purchase one separately.