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eufy Security Entry Sensor E20 Window
5th Sep 2026, 05:40 AM

eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery

Price may vary by location, shipping cost, and availability.
9% Off
$29.99
$32.99

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Highest: $29.99
Average: $28.05
Lowest: $23.99

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Based our analysis and observation, there is 57.11% chance that the price of eufy Security Entry Sensor E20 Window ... will increase. Price of product might fluctuate between 47% and 51% of current price.*

Price History Graph

Offer Price Prices
Lowest: -
Average: -
Highest: -

Price History Information

You can check the price history of eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery here. This product's current Price in USA is $29.99. The average and highest prices are $28.05 and $29.99 respectively.

Lowest Ever Price $23.99
4th Feb 2026
Average Price $28.05
Based on 285 days price tracking
Highest Price $29.99
30th Nov 2025

Current Price in USA

Price $29.99
MRP $32.99
Savings $3.00
Discount 9.093%

Recent Price Drops on eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery

Price Drop 4th Aug 2026
$29.99 → $23.99
20.01% drop
Price Drop 15th Jun 2026
$29.99 → $24.99
16.67% drop
Price Drop 26th Apr 2026
$29.99 → $23.99
20.01% drop
Price Drop 24th Mar 2026
$29.99 → $23.99
20.01% drop
Price Drop 3rd Feb 2026
$29.99 → $23.99
20.01% drop

Product Information

Details

Product Name eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery
Store Product Code B0FB8PWVDV
Store Name amazon.com
Brand eufy Security
Rating 8.8 / 10
Category Home Security Systems
Product Manufacturer eufy
Model Number T90E0
Color White
Dimensions 2.88 x 1.54 x 0.85 inches

Features

  • [5-Year Battery Life] Up to 5 years of continuous protection from a single CR123A battery. No frequent replacements, minimal maintenance.
  • [Instant Alerts & Smart Automation] Hear instant chime alerts from your HomeBase when a door or window opens. Trigger connected cameras or lights automatically. Requires eufy app v6.0.00 or above.
  • [Convenient Bypass Button] Simply press the bypass button to temporarily deactivate the sensor, allowing you to open the door without triggering an alarm. Your other sensors remain active.
  • [Dual-Side Detection] Supports both left and right-side installation for quick, error-free setup.
  • [Expansive Wireless Range] Provides a stable connection with HomeBase at open-air distances of up to 656 ft (200 m).
  • [Requires eufy HomeBase] HomeBase Mini (v4.0.5.2 or above), HomeBase 2 (v3.4.1.2 or above, released after 2021), HomeBase 3 (v3.7.2.6 or above), or HomeBase Pro (v4.1.4.3 or above) required. Ensure your HomeBase is updated to the latest version for optimal performance.

Images

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Image of eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery
Image of eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery
Image of eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery
Image of eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery
Image of eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery
Image of eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery

Rating and Reviews

8.8 Based on 219 reviews

eufy Security Entry Sensor E20 Window has 8.8 rating out of 10. This average rating is consist of 219 individual ratings. You can rate this product at product review page.

* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.
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