eufy
eufy Baby Monitor E21
$259.99Cheaper
Released 2024
Best Baby Monitors · head-to-head
eufy Baby Monitor E21 vs Miku Pro Smart Baby Monitor
A sourced, side-by-side comparison. eufy Baby Monitor E21 is cheaper at $259.99. Every spec and price links to its source.
Miku
Miku Pro Smart Baby Monitor
$399
Released 2021
Which is better: the eufy Baby Monitor E21 or Miku Pro Smart Baby Monitor?
On the specs we track, they're closely matched. The eufy Baby Monitor E21 is the cheaper at $259.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | eufy Baby Monitor E21 | Miku Pro Smart Baby Monitor |
|---|---|---|
| US price | $259.99 | $399 |
| Brand | eufy | Miku |
| Released | 2024 | 2021 |
| Camera resolution | 4K UHD | 1080p Full HD |
| Connectivity | Hybrid: WiFi 2.4 GHz (remote app access) + local wireless transmission (in-home, no internet required) | Dual-band WiFi 2.4 GHz / 5 GHz |
| Range (ft) | 1000 | — |
| Battery hr | 15 | — |
| Night vision | Yes | Yes |
| Two way audio | Yes | Yes |
| Sensors | Motion detection; sound detection; temperature reading | Breathing rate (contactless, no wearable required; Miku SensorFusion multi-sensor technology); sound level; room temperature; humidity; ambient light |
| Subscription | none | optional |
| Release | 2024 | 2021 |
Sources — eufy Baby Monitor E21: eufy.com (verified 2026-06-15). Miku Pro Smart Baby Monitor: mikucare.com (verified 2026-06-15).
What's the difference between the eufy Baby Monitor E21 and Miku Pro Smart Baby Monitor?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Camera resolution: eufy Baby Monitor E21 4K UHD vs Miku Pro Smart Baby Monitor 1080p Full HD
- Connectivity: eufy Baby Monitor E21 Hybrid: WiFi 2.4 GHz (remote app access) + local wireless transmission (in-home, no internet required) vs Miku Pro Smart Baby Monitor Dual-band WiFi 2.4 GHz / 5 GHz
- Sensors: eufy Baby Monitor E21 Motion detection; sound detection; temperature reading vs Miku Pro Smart Baby Monitor Breathing rate (contactless, no wearable required; Miku SensorFusion multi-sensor technology); sound level; room temperature; humidity; ambient light
- Subscription: eufy Baby Monitor E21 none vs Miku Pro Smart Baby Monitor optional
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
eufy Baby Monitor E21
Only one whitelisted outlet — Good Housekeeping — published a genuine hands-on review of the exact eufy Baby Monitor E21. The GH reviewer tested it in her own home over a year, and it also won a 2025 Parenting Award with parent-tester feedback. The verdict is glowing but entirely qualitative, with no lab-measured numbers reported. Praise covers 4K clarity, 8x zoom, effective night vision, easy setup, a compact travel mount, and Wi-Fi-optional flexibility. Treat this as single-source and unverified against a second tester. (1 sourced review, 1 lab-tested.)
Praised: 4K video quality called among the sharpest the tester has seen on a baby monitor; 8x zoom sharp enough to make out fine detail like a finger moving; Effective night vision.
Miku Pro Smart Baby Monitor
No sourced tester review yet.