eufy Baby Monitor E21 Add-On Camera
Extra 4K camera for the eufy E21 system with pan, tilt and zoom, active noise reduction, cry and noise detection, and a battery for portable use. Can show two cameras in split screen.
- $129.99List price
- YesWi-Fi
How the Baby Monitor E21 Add-On Camera stacks up
Against the 48 Wi-Fi baby monitors we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for Wi-Fi baby monitors ($109.99 to $229.99).
What it fits
| Fits, per the maker | eufy Baby Monitor E21 |
|---|---|
| Notes | Camera has a Wi-Fi on/off switch; with Wi-Fi off it connects only to the monitor. About 9 hours on battery, about 5.5 hours with night vision |
On Cribpicks, the maker's list names:
Listed features
- 4K video
- Battery or plug-in power
- Wi-Fi switch for a monitor-only connection
- Split-screen with a second camera
Worth checking
- Battery lasts about 9 hours
- Add-on only, needs the E21 monitor
Where to buy the Baby Monitor E21 Add-On Camera
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| eufy Baby Monitor E21 Add-On Camera | |
|---|---|
| Type | Wi-Fi camera (app) |
| List price | $129.99 |
| Cameras included | 1 |
| Video | 4K UHD |
| Uses Wi-Fi | Yes |
| Phone app | Yes |
| Works without internet | Yes, per the maker |
| Encrypted video | Yes, per the maker |
| Night vision | Yes |
| Pan, tilt, zoom | 330 degree pan, 60 degree tilt, 8x zoom |
| Room temperature | Yes |
| Sound alerts | Yes |
| Works with | eufy Baby Monitor E21 |
| Power | Plug-in or built-in 5,000 mAh battery |
| Maker's use notes | Camera has a Wi-Fi on/off switch; with Wi-Fi off it connects only to the monitor. About 9 hours on battery, about 5.5 hours with night vision |
Compare the Baby Monitor E21 Add-On Camera with
How each closest rival differs from the Baby Monitor E21 Add-On Camera, from the makers' specs.
- eufyBaby Monitor C1012 hr battery$129$129.99Compare side by side
- Hubble ConnectedSkyVision AI$129$129.99Compare side by side
- Hubble ConnectedGoBaby AI Portable (HB588AIBU)$129$129.99Compare side by side
- MikuPro Smart Baby Monitor$129$129.99Compare side by side
Baby Monitor E21 Add-On Camera: questions answered
From eufy's published specs, last checked 2026-11-02.
Where should I put the eufy Baby Monitor E21 Add-On Camera camera?
Nursery setup: see CPSC's Safe Nursery guide and the AAP's guide to safe sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
Does the eufy Baby Monitor E21 Add-On Camera need Wi-Fi or a subscription?
Yes, it uses Wi-Fi and a phone app. Wi-Fi cameras send video over the internet. Use a strong, unique password, turn on two-step sign-in if the app offers it, and keep the camera's software updated.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More Wi-Fi baby monitors
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- HubbleNursery Pal Dual Vision$149$149.99
- Hubble ConnectedNursery Pal Cloud Touch (Single)5 in screen1,000 ft range$149.99
- MotorolaVM36XL Touch Connect5 in screen1,000 ft range$109.99
- MotorolaVM65-2 Connect5 in screen1,000 ft range$109.99
Where these specs come from
Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.