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eufy Security Entry Sensor, Detects Opened and Closed Doors or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use Only, Requires HomeBase, 24/7 Monitoring Optional

4.6 4.6 out of 5 stars 1,531 ratings

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Purchase options and add-ons

Color white
Brand eufy Security
Power Source Battery Powered
Compatible Devices Smartphone
Product Dimensions 1.1"L x 0.87"W x 2.91"H

About this item

  • 2-year Battery Life: One battery provides 800 days of monitoring.
  • For Doors And Windows: Compact and versatile design fits onto any door or window frame. Requires eufy Security HomeBase.
  • 100-decibel Siren: Enable or disable siren protection, which triggers a 100-decibel siren on HomeBase, and sends an alert to your smartphone when forced entry is detected.
  • Optional 24/7 Protection Service: New optional 24/7 professional monitoring service is now available for 24/7 emergency police, fire and medical response when your alarm system is triggered.
  • What's Included: Entry Sensor, CR123A Battery, Magnet, 3 x Mounting Screws, Owner's Manual.
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Product Description

123
ecosystem

What's in the box

  • Entry Sensor, CR123A Battery, Magnet, 3 x Mounting Screws, Owner's Manual, Happy Card.
  • Product guides and documents

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    Warranty & Support

    Product Warranty: For warranty information about this product, please click here

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    eufy

    eufy Security Entry Sensor, Detects Opened and Closed Doors or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use Only, Requires HomeBase, 24/7 Monitoring Optional


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    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    1,531 global ratings

    Customers say

    Customers like the quality, value, and performance of the alarm. For example, they mention it works well, is easy to set up, and does not require a monthly fee. That said, some complain about the battery life and notifications.

    AI-generated from the text of customer reviews

    76 customers mention62 positive14 negative

    Customers like the performance of the door sensor. They say it works well, is reliable, and easy to set up. Some customers also mention that it's a great and unnecessary way to monitor a door or window. Overall, customers are satisfied with the performance and quality of the product.

    "...base, they were added to the controller app, they have been working perfectly thus far...." Read more

    "...This lets me know when either door opens and I've got it set up to set off an alarm at my main unit so I can hear it anywhere upstairs in the main..." Read more

    "...low bandwidth, a decent amount of smart devices, and Eufy works well most of the time!..." Read more

    "Functions perfectly and offers great features." Read more

    45 customers mention45 positive0 negative

    Customers find the installation process of the alarm to be easy. They mention that the door and motion sensors are easy to integrate with the Homebase, and the installation via sticky tape was quick. The sensor works great, pairs easily with the homebase, is easy to attach to any door frame, and comes pre-programmed. Customers also say that the setup is easy, and it connects right away in the app to their homebase unit. Overall, most are happy with the value of the product.

    "...We’ve recently purchased many eufy security products. These sensors pair easily to my eufy homebase 2 and read the door’s open-close status..." Read more

    "Just as advertised. Came pre-programmed." Read more

    "...3. Installation and setup: Don’t know how it could be easier.4. Interface is easy to use and setup to customize5...." Read more

    "...The setup is easy, and it connected right away in the app to my homebase unit...." Read more

    21 customers mention17 positive4 negative

    Customers like the quality of the alarm. Some say it's a great product, easy to set up, and does not disappoint. They also appreciate the great notifications and support team. Overall, customers are happy with their purchase and recommend it to others.

    "This cameras are super awesome! No complaints so far" Read more

    "...Great product and works exceptionally well. Easy to set up and customer service was very helpful...." Read more

    "Nice, well made entry sensor!! the only thing that could make it better is if eufy made a waterproof version so I could use one on my mailbox 😂..." Read more

    "Awesome, simple, easy to set up." Read more

    14 customers mention10 positive4 negative

    Customers like the value of the sensor. They say it's a great sensor for the price, and it doesn't require a monthly fee.

    "...Eufy is one of the few camera security systems that does NOT require a monthly fee." Read more

    "...Who knew security and support could be so reliable AND affordable?! 💕..." Read more

    "...Too expensive" Read more

    "...with all the products in their line-up, best of all there's NO recurring monthly fees to use the system!..." Read more

    19 customers mention13 positive6 negative

    Customers are mixed about the notifications. Some find the notifications very quick and convenient, while others say they are very delayed and take some fine-tuning. They also mention that the product picks things up late and there is sometimes a slight delay before the chime sounds.

    "...to start recording, a 100db siren to go off inside and camera sirens to go off outside, audible chirps when doors\windows open and close, and set up..." Read more

    "...The entry sensor triggers the home base alert to let me know when the front door is open, and I can set up the camera to start recording as well...." Read more

    "...Again, it picks things up late in my experience so I have to have it on high sensitivity or it misses obvious things...." Read more

    "...Syncing to the home base was simple and fast." Read more

    24 customers mention7 positive17 negative

    Customers are dissatisfied with the battery life of the alarm system. They mention that it stopped working and required them to reboot the hub every day. Some customers also report issues with the software and the keypad, saying that it doesn't work right.

    "...However, Because of the software, they seem pretty useless...." Read more

    "...Alexa even allows a routine to be set-up but unfortunately it didn't work...." Read more

    "...4. Interface is easy to use and setup to customize5. Battery on dedicated Cameras - The version 2 camera really did last 6 months before I..." Read more

    "...The two I just bought, however, did not work. In the Eufy app, I clicked on “Why does my device have a different case?”..." Read more

    Now I know if garage door is open or closed… without going to check
    5 Stars
    Now I know if garage door is open or closed… without going to check
    Awesome, simple, easy to set up.
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    Top reviews from the United States

    Reviewed in the United States on November 28, 2023
    5 people found this helpful
    Report
    Reviewed in the United States on December 8, 2019
    98 people found this helpful
    Report
    Reviewed in the United States on July 8, 2023
    2 people found this helpful
    Report
    Reviewed in the United States on April 26, 2023
    3 people found this helpful
    Report

    Top reviews from other countries

    Neera Sirohi
    5.0 out of 5 stars Very good quality
    Reviewed in India on December 11, 2021
    Ian
    5.0 out of 5 stars Solid entry/exit sensor!
    Reviewed in Canada on August 16, 2020
    6 people found this helpful
    Report
    Mort Geller
    5.0 out of 5 stars Great Product
    Reviewed in Canada on January 12, 2024
    Bonnie
    5.0 out of 5 stars Real time Garage door status
    Reviewed in Canada on February 29, 2024
    Customer image
    Bonnie
    5.0 out of 5 stars Real time Garage door status
    Reviewed in Canada on February 29, 2024
    Works well as a continuous monitor of garage door open/close status. Can configure alert if door is opened and is not closed within set time, or open past a set point in time (ie, to ensure it is closed at night)
    Can view status at a glance from Eufy home screen Great addition to system
    Images in this review
    Customer image
    Customer image
    One person found this helpful
    Report
    CatheRN
    5.0 out of 5 stars Awesome sensor
    Reviewed in Canada on November 9, 2023