$130· #3
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Angelcare
Angelcare AC337
Under-mattress movement sensor with video and two-way audio
Angelcare has been a trusted name in infant breathing monitoring since the 1990s. The AC337 combines an under-mattress movement sensor with a full video monitor — reassurance without attaching anything to your baby. At $130, it offers meaningful peace of mind at a fraction of the Owlet's cost, though it detects motion rather than oxygen levels.
✓ Pros
- Under-mattress sensor pad detects breathing movement without touching baby
- Sounds alarm if no movement detected for 20 seconds
- Full video monitor with night vision and two-way audio included
✕ Cons
- Movement sensor only — does not track heart rate or SpO2
- Sensor pad must fit snugly; may not work with all crib mattresses
Scores
Overall
8.5
Safety
9
Value
9.1
Ease
8.5
Quality
8.4
Specifications
typeUnder-mattress pad + video monitor
monitoringMovement/breathing motion
age Range0–24 months
connectivityDECT (no WiFi required)
alert TypeAudible alarm + parent unit