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Baby Security Monitor E21 Add-On Camera

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$129.99
Sep 15 · Macy's
Best price
$129.99
−0% vs high
14-day high
$129.99
All stores
$130$130$130
Sep 15Sep 26
  • Macy's
Lowest in 14 days: $129.99 at Macy's. Highest: $129.99. Current best is 0% below the 14-day high.

About this product

The eufy Baby Security Monitor E21 Add-On Camera is a portable, high-resolution video monitor designed for parents who want to keep an eye on infants and toddlers. It offers 4K UHD resolution with 330° pan, 60° tilt, and 8× digital zoom for clear views of every detail, day and night. The camera supports split-screen monitoring for twins and functions with or without Wi-Fi, allowing remote access via a mobile app. Powered by a 5,000mAh battery, it can be used anywhere—indoors or during travel—without needing a constant power source. The device is easy to clean and made for reliable, uninterrupted monitoring.

  • 4K UHD resolution
  • 330° pan, 60° tilt
  • 8× digital zoom
  • 5,000mAh battery
  • night vision
  • split-screen for twins

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Baby Security Monitor E21 Add-On Camera — Price History