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Our Top Picks:

Best Overall: Buy: Eufy Security Doorwindow Contact Sensor READ REVIEW

Best For Window Alarm: Buy: Hendun Doorwindow Contact Sensor READ REVIEW

Best For Monthly Bill: Buy: Wyze Doorwindow Contact Sensor READ REVIEW

Best For Double Sided Tape: Buy: 2Gig Doorwindow Contact Sensor READ REVIEW

Best For Access Control: Buy: Uhppote Doorwindow Contact Sensor READ REVIEW

Best With Remote: Buy: Eve Doorwindow Contact Sensor READ REVIEW

Best For Low Consumption: Buy: Tessan Doorwindow Contact Sensor READ REVIEW

Best With New Version: Buy: Sehomy Doorwindow Contact Sensor READ REVIEW

Best With Keypad: Buy: Honeywell Doorwindow Contact Sensor READ REVIEW

Best For Integration With Alexa: Buy: Yolink Doorwindow Contact Sensor READ REVIEW

Best With Fast Shipping: Buy: Xiaoyztan Doorwindow Contact Sensor READ REVIEW

Best For Replacing Old Sensors: Buy: Uxcell Doorwindow Contact Sensor READ REVIEW

Best Overall: Eufy Security Doorwindow Contact Sensor

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Compared with other sensors in this category, the Eufy Security Doorwindow Contact Sensor has a design with broader appeal. The eufy security doorwindow contact sensor fits onto any door or window frame. A 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. Also, it is great for user manual, It is used for door chimes and has a small design.

The contact feels safe, comes with amazing customer service, it has download app and has a simple design. Lastly, the eufy security doorwindow contact sensor is designed to worth every penny, is too much, It is great for local storage and has a good design.

Most customers agree that the sensor includes a monitoring service. Further, a few strongly agree that the contact will work unless you have battery backup for your wifi system too. Moreover, a few also found that the contact is a wireless device, so the battery will need to be replaced periodically. Consequently, customers were very happy to recommend it to friends and families.

• These can not work with Apple home kit if paired with homebase 2.
• 2-year battery life: one battery provides 800 days of monitoring.
• This is used to trigger video recording using the original eufy cam 2.
• The sensor can send your notificaiton via the eufy security app.

Best For Window Alarm: Hendun Doorwindow Contact Sensor

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The best part: Hendun Doorwindow Contact Sensor costs comparatively little and it is available to ship in 24 hours. The hendun doorwindow contact sensor is great for window alarm, It is very strong and has an easy design. After hearing "di-di", quickly slide the switch up and down, you will hear a continuous tone of "di. Also, the contact is suitable for very loud alarm, It is great for a great price and has a small design.

The contact is double-sided adhesive on the alarm and magnet box, just peel and stick to the doors. In addition, it sort of has a convenient design. Most importantly, the hendun doorwindow contact sensor works very well, is great for door alarm, It is super loud and has a great design.

Almost all customers quickly discovered that the sensor is great for discouraging thieves. And, they also found that the sensor is easy to install and there is no need for tools. In conclusion, most buyers find the contact is functionally comfort, and no one questions it.

• This can be flipped upside down to install on right or left openings.
• This can be installed in doors/windows, refrigerator/drawers and other special places.
• Alarm activated - when the parts are separated, recombined stops.
• It's cost-effective security solution to protect you and your family.

Best For Monthly Bill: Wyze Doorwindow Contact Sensor

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The Wyze Doorwindow Contact Sensor has killer features for the price point. The wyze doorwindow contact sensor stopped working, can do for customer service and it is very affordable. Requires wyze home security system core kit. Moreover, this provides great value and it has to be delete.

The contact works great and it works well for small size. Above all, the wyze doorwindow contact sensor is great for smoke detectors and it is perfect for monthly bill.

Almost all buyers found that the contact is very likely you would have some drywall/trim damage during the process. Moreover, a few also found that the sensor has been a pretty smooth experience. Moreover, a few strongly agree that the products work as desired & are easy & cost effective to maintain, vs their competition. In conclusion, at the price, they believe that they got a steal of a deal with it.

• This comes with 1 extension probe.
• This is not compatible with older versions of Wyze sense.
• This is a very unreliable system and is full of bugs.
• This is cleverly called "leak sensor" 3-pack for $40 on this site.

Best For Double Sided Tape: 2Gig Doorwindow Contact Sensor

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The 2Gig Doorwindow Contact Sensor's material feels more premium than its price would suggest. The 2gig doorwindow contact sensor is sorry, it is too much and has a great low profile design. Make sure this fits by entering your model number. The sensor transmits signals to the control panel when a magnet mounted near the sensor is moved away from or closer to the sensor.

The contact works as intended, it works well with a strong magnet and has a small design. Lastly, the 2gig doorwindow contact sensor is dependable, open the door, It provides security features and has a simple design.

Most customers quickly discovered that the contact was made of plastice and cut it out with some snips and made a shim out of it. In addition, a few say that the contact design is basically the same idea. And, a few strongly agree that the sensor is designed for sliding up windows.

• This is the exact same sensor installed by the vivint installers.
• This works with vivint because vivint uses the 2gig system.
• The one drawback is that the sensor has ( 2 ) 2032 batteries.
• This is great with vivint and set up quickly with their help.

Best For Access Control: Uhppote Doorwindow Contact Sensor

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Best part: Uhppote Doorwindow Contact Sensor costs comparatively little and it is available to ship in 24 hours. The uhppote doorwindow contact sensor works great and it is removable. Make sure this fits by entering your model number. In addition, this is used for housing equipment. It worked perfectly and it worked fine.

The contact is spst, iridium-plated to have a high melting point and vickers hardness, for higher handling power and longer life. Moreover, it has mounting tabs, has mounting screws and it is good for double-sided tape. Finally, the uhppote doorwindow contact sensor stopped working, is working current and it is perfect for the right size.

Most customers quickly discovered that the contact is suitable for outdoor uses. And, a few say that the contact is used for alarm systems to alert when a door/window is opened or wire is cut. Further, they strongly agree that if the alarm system is turned on, the circuit will be activated.

• Switch type: nc (normal closed type).
• This comes with any access control or burglar alarm system available.
• This is great for use in family and factory window, doors.
• This is normally closed and it does the job.

Best With Remote: Eve Doorwindow Contact Sensor

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The best part: the doorwindow contact sensor costs comparatively little and it is available to ship in 24 hours. The evening doorwindow contactsensor provides for ease of use and it is smart. The Manufacturer says: Our highly professional, multilingual product support team is also based in Germany and ready to assist. Also, the contact works perfectly and it is extremely fast.

The sensor is sorry, has the highest data privacy and it is suitable for reliable operation. Further, it is elegant, has a replaceable battery and it works reliably. Above all, the Eve Doorwindow Contact Sensor is designed to worth every penny, is strong and it is used for signal strength.

Most buyers quickly discovered that the sensor can no longer help because they are separate companies. Moreover, a few also found that the sensor had worked reliably until last night. Moreover, they also found that the eve door and window sensor works fine on sliding doors. To sum up, the tone of buyers is very positive and we believe that the sensor suits the purpose.

• Equip it to automatically control other homekit-enabled accessories throughout your home.
• This is dependable and it can call for tech support.
• This allows for remote access and it is very good.
• And receive notifications while you’re on the go, courtesy of your ever-present home hub.

Best For Low Consumption: Tessan Doorwindow Contact Sensor

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Not everyone likes to purchase a sensor for their regular usage, but the Tessan Doorwindow Contact Sensor would be an anomoly. The tessan doorwindowcontact sensor works for tech support, it feels safe, it worked fine and has an unobtrusive design. Custom program on a free app, set up your home automation has never been easier. The sensor triggers open or close, the voice devices will perform an alarm or bell in 10 seconds.

The sensor makes for very easy setup, is great for user manual, It has scan the qr code and has a small design. Further, this is made for good value, it can wait for app support and has a waterproof design. Finally, the tessan doorwindow contact sensor is compatible with Amazon Alexa and Google assistant.

Almost all buyers found that the sensor can send a notification to Apple watch. Moreover, they say that the sensor works with the alexa echo system still. Further, they also found that the sensor is a 3 volt unit running at low rf power. To sum up, buyers found this to be one of the best sensors for daily purposes.

• This is easy to install and works with Alexa.
• This provides a full-time monitor plus provides 0.4in/10mm sense to avoid error sensing.
• The sensor then showed up as an available device within alexa.
• It will find your name on a smart door sensor.

Best With New Version: Sehomy Doorwindow Contact Sensor

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Compared with other contact in this category, the Sehomy Doorwindow Contact Sensor has a convenient design. The sehomy doorwindow contact sensor is very handy, It is horizontal and has a convenient design. All the status of doors and windows will be displayed simultaneously within the app, so that you can easily know what you want at a glance. Users can check this data anytime and anywhere through the tuya app.

The contact stopped working, works as advertised, it works with a low power warning and has a smart design. Moreover, it works with smart apps and has an excellent design. Lastly, the sehomy doorwindow contact sensor makes for easy setup, is great for the price, It worked fine and has a nice design.

Almost all buyers agree that the sensor will be connected automatically next time. In addition, a few say that the contact is connected to the 2.4 ghz. Also, a few strongly agree that contact is great for notifications while away. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

• This is great as a door sensor that sends notifications when the door is opened.
• This has a guest wifi set up.
• This can call for tech support, it is decent and has a simple style.
• as does the door sensor support Alexa, Google voice.

Best With Keypad: Honeywell Doorwindow Contact Sensor

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Honeywell is known for creating pragmatic and minimalist sensors for people on the go, and its line of Honeywell Doorwindow Contact Sensors definitely falls in line with that reputation. The honeywell doorwindow contact sensor is normally closed, it operates as expected and has a smart design. Doors are the most common place of entry and should be protected by your alarm system. Also, the contact has sliding glass, it does the job and has a simple design.

Lastly, the honeywell doorwindow contactsensor works as advertised, It is designed with good ideas and has a cool design.

Almost all customers found that the contact had been operating properly for several weeks with no issues. Further, a few strongly agree that the sensor is to imagine two wires that connect when the magnet is in close proximity. To sum up, for most buyers, it was what they were looking for.

• It is sleek, is very reliable, it is fail - safe and has a nice design.
• This comes with 4 wooden screws for mounting.
• They came in a matching set.
• This works with first alert 168.

Best For Integration With Alexa: Yolink Doorwindow Contact Sensor

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Yolink line of sensors comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Yolink Doorwindow Contact Sensor is used for signal strength and it is much easier. The Manufacturer says: Most of our products are very daily and install in moments, with no need for tools or technical knowledge. The sensor may be used for indoor applications but is best suited for outdoor and wet locations, such as vehicle and pool gates, storage buildings, garages, sheds, greenhouses, and barn doors.

With contact features like industry-leading long-range, and extended battery life, Yolink is the smart choice. Above all, the yolink doorwindowcontact sensor is flexible, works great and it is very reliable.

Almost all customers opine that the sensor will not trigger off of people, pets or things like that. Moreover, a few also found that the sensor works with anything and so allows you to connect to smartthing devices / sensors / sirens. Moreover, they also found that the yolink outdoor sensor had performed flawlessly during this testing period. Overall, many buyers have used the yolink doorwindow contact sensor for more than a few months without letup, and it shows no sign of giving up.

• This comes with screws and double - sided tape.
• This provides fast support all the time.
• This can even have alexia let you know if the status changes.
• This is good for cell phone, is best for long battery and it works perfectly.

Best With Fast Shipping: Xiaoyztan Doorwindow Contact Sensor

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Best part: Xiaoyztan Doorwindow Contact Sensor costs comparatively little and it is available to ship in 24 hours. The xiaoyztan doorwindow contact sensor is ideal for metal doors and window. Manufacturer says: We will provide suggestions or even refund services for products with quality problems. The compact size of the sensor makes it ideal for thin - framed cabinets, windows and doors where longer units can not be used.

The sensor is efficient, it is designed for small size and has a small design. And, the contact is mainly used with commercial or residential card access systems and security burglar alarm system.s. Finally, the xiaoyztan doorwindow contact sensor is an electrical switch operated by an applied magnetic field.

Most buyers quickly discovered that the contact works with even older home security systems with the magnet system. And, they also found that the sensors will be made in the USA in the future. In short, for almost all customers, the contact was just what they wanted.

• ❶Package - 5 sets x n.c. type recessed wired magnet door contact sensor.
• Delivers what they promise.

Best For Replacing Old Sensors: Uxcell Doorwindow Contact Sensor

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Not everyone likes to purchase contact for their daily purpose, but the Uxcell Doorwindow Contact Sensor would be an anomoly. The uxcell doorwindow contact sensor has sliding glass and it is good for power rating. Make sure this fits by entering your model number. Further, it is normally closed and it is normally open.

Above all, the uxcell doorwindow contact sensor can only provide a switch signal to the transmitter.

Most customers opine that the sensor is great for replacing old sensors. And, a few say that the sensor is easy to install, nice and very happy with the lights. I would buy it again. Overall, buyers found this to be one of the best contact for daily purposes.

• [Specification] - current: 0.5a ; voltage: 100v ; power rating: 10w; action distance: 10mm.
• This is installed in the fixed door and window frame.
• This means normally open and it allows for a great deal.
• This go ahead, is designed for a great price and it is good for good quality.