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Geeni Smart Window & Door Sensors 2-Pack: Wi-Fi Enabled Security with Real-Time Alerts

3.7 out of 5 stars 897 ratings
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Purchase options and add-ons

Colour White
Brand Geeni
Power source Battery Powered
Compatible devices Smartphone
Battery description CR2

About this item

  • KEEP YOUR HOME SECURE: Geeni Smart Sensors instantly alert you when windows or doors are opened or closed, ensuring peace of mind whether you’re home or away.
  • REAL-TIME MOBILE ALERTS: Stay informed with instant notifications sent straight to your smartphone. Monitor your home from anywhere using the Geeni app.
  • COMPACT & DISCREET DESIGN: Sleek sensors fit seamlessly on windows and doors without disrupting your home décor.
  • COMPATIBLE WITH OTHER GEENI DEVICES: Integrate with your existing Geeni smart home system for a complete, connected experience.
  • EASY INSTALLATION: Mount sensors with included adhesive or screws for a secure fit. Works perfectly for doors, windows, cabinets, and more.
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Product description

Know when someone enters your home with the Geeni Smart Door & Window sensor. Get real time alerts at the exact moment you have an unexpected guest, opened safe or escaped pet.

Using your home Wi-Fi, you can set up automated actions with other Geeni Smart Home products such as automatically powering on the lights when a door is opened. This smart home door and window sensor system works with your home Wi-Fi—no hub required! Simply download the Geeni app, mount your sensors with the included adhesive or screws, and connect. The door and window sensors are battery-powered for a long-lasting performance. You can put your mind at easy knowing that the built-in CR2 battery provides continuous operation for up to 2-years.

The Geeni Door and Window Sensors are only compatible with 2.4GHz Wi-Fi networks. The sensors easily install in any entryway and the wireless design offers flexible placement options.

Geeni is the market leader of affordable and approachable smart home devices. Featured by Google, Microsoft, 鶹, CNET, The Wirecutter, The Verge, Time Magazine, TechCrunch, ZDNet, TechHive, and more, the Geeni brand is at the vanguard of technology and features, but user-friendly enough for everyone. With an easy to set up app, integration with voice assistants, no hub required, and killer pricing, Geeni makes it easy to incorporate smart home accessories into your everyday life.

Product information

Technical Details

Control method ‎App
Mounting type ‎Wall Mount
Sensor technology ‎Contact Sensor
UPC ‎844702090132
Global Trade Identification Number ‎00844702090132
Manufacturer ‎Geeni
Part Number ‎GN-SS000-PARENT
Parcel Dimensions ‎14 x 10.8 x 6.3 cm; 100 g
Item model number ‎GN-SS000-PARENT
Size ‎2 Pack
Installation Method ‎Self Adhesive
Item Package Quantity ‎1
Included Components ‎Battery, Sensors
Batteries Included? ‎No
Batteries Required? ‎No
Battery Description ‎CR2
Item Weight ‎100 g

Additional Information

ASIN B07RM859GV
Customer Reviews
3.7 out of 5 stars 897 ratings

3.7 out of 5 stars
Date First Available June 12 2019

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Customer reviews

3.7 out of 5 stars
897 global ratings

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Customers say

Customers like the functionality and ease of use of the alarm. They mention it works great, is easy to install, and monitors. However, some customers have reported that the batteries die after a couple of days and last less than 24 hours. Opinions are mixed on the quality and connectivity.

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FunctionalityEasy to useQualityConnectivityBattery life
10 customers mention "Functionality"10 positive0 negative

Customers like the functionality of the alarm. They mention it works great when the unit is not defective, and the sensors are awesome and easy to install.

"I like these, they are really loud, and serve their purpose well, the only problem is if you have another one nearby that you want to set the the..." Read more

"...The first one was a breeze to link to the app and works great. The second one is a different story...." Read more

"Works perfectly with a good battery life." Read more

"The sensors do work, kind of. There is no way to change the alarm notification settings...." Read more

4 customers mention "Easy to use"4 positive0 negative

Customers find the alarm easy to use. They mention the sensors are awesome and easy to install.

"Easy to install and integrate with app. Also easy to connect with Alexa. Instant notification when door opens/closes. Works exactly as hoped." Read more

"Good product, easy setup and controll." Read more

"These sensors are awesome and easy to install...." Read more

"Quick and easy install." Read more

8 customers mention "Quality"5 positive3 negative

Customers have mixed opinions about the quality of the alarm. Some mention it's a good product and awesome delivery. However, others say it's of poor quality.

"Good product, easy setup and controll." Read more

"...Good idea, crappy product - DO NOT RECOMMEND Please note the seller was great and refunded my money without question." Read more

"...And the alarm should not stop until you acknowledge it. Quality seems okay." Read more

"Works as described!! Great product...." Read more

5 customers mention "Connectivity"2 positive3 negative

Customers have mixed opinions about the connectivity of the alarm. Some mention it's easy to connect with Alexa and integrate with the app. However, others say it doesn't connect to anything.

"This item does not connect to anything tried to reach tech support by phone, email and received no response...." Read more

"I bought this two pack of door sensor. The first one was a breeze to link to the app and works great. The second one is a different story...." Read more

"Not easy to connect with wifi. Sometimes it doesn’t detect and sometimes yes. Not worth the money. Don’t buy it!" Read more

"Easy to install and integrate with app. Also easy to connect with Alexa. Instant notification when door opens/closes. Works exactly as hoped." Read more

9 customers mention "Battery life"0 positive9 negative

Customers are dissatisfied with the battery life of the alarm. They mention the batteries would die after a couple of days, are expired from 2019, and last less than 24 hours before they start getting low. Some also say the alarm sometimes doesn't detect.

"...the app, paired the device and after a day or two it stops functioning correctly...." Read more

"...Seemed liked an ideal solution to my problem...BUT they eat batteries - lasting less then 24 hours before you start getting low battery alarms...." Read more

"...and it’s kind of fraud that the package contains the old, non-working battery." Read more

"Worked in beginning, but after that: wifi disconnected, battery gone down in ~1 month." Read more

Defective, expired batteries from the original packaging
1 out of 5 stars
Defective, expired batteries from the original packaging
Manufactured in 2019, expired batteries from 2019! I had to spend another 20$ for CR2 batteries (pack of 2). Impossible to reset the sensors!
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Top reviews from Canada

  • 鶹 Customer
    5.0 out of 5 stars Need a sleeker profile
    Reviewed in Canada on June 15, 2025
    Verified Purchase
    Work the way they should just need to modify them as they are a little bulky
    One person found this helpful
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  • Mia Tu Kim Thi Nguyen
    1.0 out of 5 stars Connectivity nul
    Reviewed in Canada on March 27, 2025
    Verified Purchase
    Pire cochonnerie.
    Les capteur son lent à renvoyer le signial doit absolument être sur la vielle génération de wifi 2.4G quand en 2025 on es la plupart sur le 5G ou le 6E et même sur le 2.4G ces pas terrible ...
    One person found this helpful
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  • 鶹 Customer
    5.0 out of 5 stars Easy to use and monitor.
    Reviewed in Canada on May 8, 2025
    Verified Purchase
    Good product, easy setup and controll.
    Helpful
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  • David
    4.0 out of 5 stars Changing one affects another, but sometimes not (SOLUTION INSIDE)
    Reviewed in Canada on December 17, 2024
    Verified Purchase
    I like these, they are really loud, and serve their purpose well, the only problem is if you have another one nearby that you want to set the the Ding Dong sound instead of the alarm, then you can't really do that as changing one will affect the other if they are close enough, I guess you could set one, take the battery out of it, and then set the other one...hey that's a good idea....why didn't I think of this before..God I'm a genius!
    Helpful
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  • Laurie
    5.0 out of 5 stars The delivery was to make sure we got are package
    Reviewed in Canada on March 31, 2025
    Verified Purchase
    Good product and awesome delivery as well made sure to ring door bell thank you so much 😁
    Helpful
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  • Eternaldawg
    3.0 out of 5 stars Works great when the unit is not defective
    Reviewed in Canada on May 5, 2023
    Verified Purchase
    I bought this two pack of door sensor. The first one was a breeze to link to the app and works great. The second one is a different story. No matter which linking method I followed the unit would not connect, suggesting that the unit is defective.

    I contacted tech support but those guys at Merkury, the maker of the Geeni product line, are useless. They send me email telling me to check links they never attached to the email and when I reply to their email I get nothing in return. This has nothing to do with the provider of the item as they are not the ones taking care of tech support (at least I hope so). Since the first sensor has been installed I don't really want to take it down to return the whole thing and I don't know how I could get 鶹 (who is the one fulfilling the order for the reseller) to only send me a single replacement unit. It is unfortunate though that the reseller has to Get such a review because of the incompetence of Merkury's tech support.

    I should be use to this because Merkury has done the same with a doorbell camera I have problems with. They only answer one email and after this you never hear from them again.
    One person found this helpful
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  • Reza
    5.0 out of 5 stars Works Fine
    Reviewed in Canada on December 31, 2024
    Verified Purchase
    Works perfectly with a good battery life.
    Helpful
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  • Philippe Hébert
    1.0 out of 5 stars 1 sur 2 ...
    Reviewed in Canada on April 4, 2025
    Verified Purchase
    J'ai déjà 2 caméra Geeni aucun problème j'achète les capteur le premier marche mais pas le deuxième
    One person found this helpful
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Top reviews from other countries

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  • Alyssa
    5.0 out of 5 stars Be extremely careful on the angle of the sensor when setting up.
    Reviewed in the United States on February 10, 2020
    Verified Purchase
    Works with Alexa and is a much cheaper route for home security! I can tell that these actually work really well because my husband left for PT at five in the morning & the Geeni app set off a loud alarm on my phone to alert me the door was open (((,:

    UPDATE: I have been using the door sensors for about a month and I’m not sure if I’m becoming paranoid because of the recent events in our neighborhood but I may upgrade to a different brand soon. I have a camera in our home that captured someone in the house, but never alerted me of a door being opened (our windows are always locked). It seems that these door sensors are extremely sensitive & I’m sad I can’t use them anymore. I can see a door across the room that remains shut & I will randomly get a notification that it has opened (not the best feeling when you’re home alone & your husband is deployed).
    Customer image
    Alyssa
    5.0 out of 5 stars
    Be extremely careful on the angle of the sensor when setting up.

    Reviewed in the United States on February 10, 2020
    Works with Alexa and is a much cheaper route for home security! I can tell that these actually work really well because my husband left for PT at five in the morning & the Geeni app set off a loud alarm on my phone to alert me the door was open (((,:

    UPDATE: I have been using the door sensors for about a month and I’m not sure if I’m becoming paranoid because of the recent events in our neighborhood but I may upgrade to a different brand soon. I have a camera in our home that captured someone in the house, but never alerted me of a door being opened (our windows are always locked). It seems that these door sensors are extremely sensitive & I’m sad I can’t use them anymore. I can see a door across the room that remains shut & I will randomly get a notification that it has opened (not the best feeling when you’re home alone & your husband is deployed).
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  • Faustino
    5.0 out of 5 stars Excelente producto, quede encantado.
    Reviewed in Mexico on March 12, 2020
    Verified Purchase
    Muy pero muy buen producto, compre todo (sensor de puerta, movimiento y alarma) todo trabaja bien y su configuración e instalación fue muy fácil y rápida. Solo un detalle, la pila del sensor de movimiento llegó "baja" la sirena suena bien en proporción a su tamaño suena bastante.
    Report
  • Rafa N.
    1.0 out of 5 stars muy caras y muy chafas
    Reviewed in Mexico on February 6, 2021
    Verified Purchase
    Eviten éstos súper sensores, no funcionan como uno esperaría.

    Muestra alertas inexistentes, ej. dice que está abierta la puerta cuando en realidad no es así, muy chafas, mejor inviertan en otros sensores, éstos las verdad están para tirarlos a la basura, no son funcionales.
    Report
  • Happy Camper
    1.0 out of 5 stars Do NOT Purchase - AWFUL!!!
    Reviewed in the United States on January 26, 2020
    Verified Purchase
    It is rare to get a product that is SOOOOO bad.
    1. Even when the app for the sensors is set to provide an alert when the door is opened, they most often do not trigger.
    2. The sensors/app do consistently alert when the door is closed, but if someone breaks in and leaves the door open, you would never know they entered the house.
    3. When the door is closed an alert does desirably trigger, but it is an AWFUL long obnoxious klaxon sound on your phone. Tech support finally replied that they will have their designers consider a change, but no indication when...
    4. I have have used them for just 2 weeks, but already the battery on one is almost dead and the second (on a never-used door) is halfway gone. Cost to replace these batteries so quickly/repeatedly make them not-viable.
    5. Tech support is AWFUL!!!!!!! They do not answer the phone. I submitted several tickets to finally get a call back and then spent an hour in a totally unproductive dialog.

    Update...
    - I asked that the vendor provide new batteries, which should have been included in the original order, and they replied asking me if the existing batteries are dented. Really? No, they are just not new.
    - They still haven't resolved any of the other problems.
    - I have had enough with this AWFUL vendor and AWFUL product, and luckily I am still in the return window allowed by 鶹, so I am returning this junk.
    Report
  • andy s.
    5.0 out of 5 stars Good quality
    Reviewed in the United States on December 15, 2024
    Verified Purchase
    Work great everybody should have one around their windows and doors. Specially if you have a basement.
    Report