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Ring Alarm Contact Sensor (2nd Gen) – 2-pack

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Table of Contents

1 What is the best contact sensor to buy?
2 Best Contact Sensor Reviews
3 Offers and Discounts
4 Cheap Contact Sensor
5 Buy Contact Sensor Online
6 Best Contact Sensor 2022

Best Watermark Sensor

What is the best contact sensor to buy?

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Best Contact Sensor Reviews

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Offers and Discounts

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Buy Contact Sensor Online

Ring Alarm Contact Sensor (2nd Gen) – 2-pack

Get instant mobile alerts when doors and windows open in your home
Now smaller to enable increased placement options
Easy installation with no tools required
Mounts to door and window frames
Includes two 3V CR2032 batteries
Requires the Ring Alarm Base Station

Ring Alarm Outdoor Contact Sensor

Help secure outdoor gates, sheds, guesthouses, and windows with Ring Alarm Outdoor Contact Sensor.
Get mobile alerts when your outdoor gate opens, or set the sensor to automatically trigger your Ring Alarm siren when armed in Home or Away mode.
With its weather-resistant design, the Ring Alarm Outdoor Contact Sensor can withstand outdoor use in most climates.
Outdoor Contact Sensor comes with mounting tape and screws for easy installation on most surfaces.
Requires Ring Alarm or Ring Alarm Pro.
Ring Alarm and the professional monitoring service are available and ship only within the U.S. (excluding territories) and Canada.

Aqara Door and Window Sensor, REQUIRES AQARA HUB, Zigbee Connection, Wireless Mini Contact Sensor for Alarm System and Smart Home Automation, Compatible with Apple HomeKit, Alexa, Works With IFTTT

✽【NOTES】An Aqara Hub is required and sold separately. Requires a secured 2. 4 gigahertz WiFi network connection. The Aqara M2 or M1S Hub can connect up to 128 devices(*use of a repeater such as the Aqara Smart Plug or Aqara Smart Wall Switch(With Neutral) is required).
【UNAUTHORIZED ENTRY DETECTION】Whenever the door/window opens unexpectedly, the Aqara Door and Window Sensor will send an alert notification to your phone and activate the local alarm on the Aqara Hub.
【HOME AUTOMATION】The Aqara Door and Window Sensor can control other Aqara connected devices as the status of the door or window changes.
【22MM WIDE GAP ALLOWED】The Aqara Door and Window Sensor works with most types of doors, windows, and other fixtures with similar mechanism, such as drawers, cabinets, and more.
【VOICE CONTROL】Compatible with Apple Home Kit, Alexa for a hands-free experience. In addition, If you have any questions, please feel free to contact us.

Best Mq2 Sensor

QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws

Product Information: Product name: Surface-mounted Magnetic Door Switch, Type: MC-31, Color: White, Material: Plastic
Specification: Contact Type: NC, Hole Dia.: 5.8mm, Actuation Distance: 8mm±18mm
Sizes: 64*12.*12mm and 64*20*12mm（L * W * H）
NC Type: NC means normally closed. If the magnet is closed to this switch, the signal is conductive, otherwise, if the magnet is far away from this switch, the signal is disconnected.
Applications: It is suitable for magnetic windows, doors, cabinets etc. Ideal for door, window security.

2 Pack WiFi Door Sensor Detector, Smart Wireless Window Sensor Real-time Alarm Compatible with Alexa Google Assistant, Home Security Door Open Contact Sensor for Bussiness Burglar Alert

Receive Real-time Alarms Remotely:when door/window is opened or closed, the sensor will push instant notification to your smartphone immediately. so you don't have to worry about your baby going out of house without notice, will easily know when your aged parents leave or arrive home and even can be clear when someone enters your home,shop,office ,etc.
Compatible with Google Play,Andriod and Ios System:No hub required and No fees charge. Convenient for you to detect the status of your doors, windows, cabinets, drawers or anywhere you want to notified when it is opened or closed.So you can travel or go to work or go to schoon or go shopping worry-free.
Alert message push: Protect your home with open / closed door detection. When the door / window is triggered, you will receive an alarm signal from your phone. Home Security Alarm make House more safety.
Easy Installation：No Need to use complicated tools when installation,just use 3M glue to install,firm and durable.The two arrows are opposite,the distance between the two compopents should be as close as possible,and the closest distance should not affect the opening/clsoing of the door or window.
Low Power warning: The sensor door need with TWO AA Batteries(not include).When the battery level is low, it will automatically push messages throuch APP to remind you to change battery, never worry about running out of battery.

THIRDREALITY Zigbee Contact Sensor, Door and Window Sensor for Home Security and Smart Home Automation, ZigBee Hub Required, Works with SmartThings, Hubitat or Echo Devices with Build-in Zigbee Hub

ZIGBEE STANDARD COMPATIBLE DOOR SENSOR: Works with most of Zigbee hubs or Echo devices with build-in Zigbee hub. Work with Echo (4th Gen), Echo Plus (1st Gen and 2nd Gen), Echo Show 10 (2nd Gen and 3rd Gen), Echo Studio, Eero 6, Eero Pro 6, SmartThings 2015/2018, Third reality Hub and Third Reality Smart Speaker.
HASSLE-FREE SETUP: Installs in a few seconds. Just make sure device in paring mode and compatible Echo device automatically discovers it by saying “Alexa, discover devices”.
SUIT FOR MOSTLY DOORS AND WINDOWS OF THE HOUSE AND 2-YEARS LONG BATTERY LIFE: Door Sensor uses two AAA 1.5V Alkaline batteries for power, the batteries can last for up to 2 years and it is very easy to replace them. Note: Indoor use only and do not install the Door Sensor on metal door or window.
MORE FUN WITH ALEXA ROUTINES: Using the Alexa app, create your own routines that are triggered When door or window is open, turn on a light, send an alert to your phone, let Alexa make a voice alarm or make a joke, etc.
UPGRADED THIRD REALITY APP AND SKILL FUNCTIONS: Connected with Third Reality Hub/Speaker, you can check the battery level in the APP, then replace the batteries in time; history record is also open to the users, so you can know when the state of the movement has been detected and deal with it in time. Enabled Third Reality Skill in the Alexa APP, you will have a low battery warning by emails.

238 Reviews

Eve Door & Window - Apple HomeKit Smart Home Wireless Contact Sensor for Windows & Doors, Automatically Trigger Accessories & Scenes, App Notifications, Bluetooth, Thread

Check your door or window: See the current open/closed state at a glance
Get activity notifications and automatically activate other HomeKit-enabled accessories courtesy of your home hub (HomePod mini, HomePod, or Apple TV)
HomeKit-enabled for unparalleled ease of use and advanced security; get up and running in a flash with quick & easy set up and no need for a bridge or gateway
Supports Bluetooth and Thread, and joins your Thread network automatically. Thread requires a HomePod mini as a border router
100% Privacy: No Eve cloud, no registration, no tracking. Local intelligence and direct communication without bridge or cloud dependency. Our highly professional, multilingual product support team is also based in Germany and ready to assist

Wyze Home Security System Entry Sensor - Window and Door Entry Protection (3-Pack)

Requires Wyze Home Security System Core Kit. This device will NOT function as an individual or standalone product.
Place the Wyze Contact Sensor on doors and any ground-floor windows to be notified if one is opened or left open.
Fully Wireless - 18-month battery life.
Works with Alexa routines.
Open/closed detection and left open alerts.

WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub Required, Sends Alerts, Wireless Remote Alarm, Programmable with Smart Life Devices

Smart Security Sensor: TESSAN door and window alarm sensor is designed to monitor the open or close status of any entrance; An alert notification will automatic send to you in 10 seconds once the sensor triggered; Ideal for front door, window, baby room, garage and more; Door status and battery power can be check in app; No hub required; No extra cost; A must have security system accessories
Programmable Sensor: Extend your smart home automation with TESSAN wifi door sensor; Set up your smart routines in app; Automatically turn on your smart wall switches or lights when door opened; Automatically turn off your air-condition when window opened; More smart devices can be sync as long as they compatible with Smart Life app; Support 2.4Ghz Wifi only, dual-band (2.4G and 5G) WiFf need to set a separate 2.4G channel
Hand-Free Voice Control: TESSAN wifi garage sensor is compatible with Amazon Alexa and Google Assistant; Simply give a voice command to check the open or close status instead of going down or picking up your phone; Your voice device will work as chime, siren or alarm when the sensor triggered; Saving your operation time and make your smart home life more convenient and easier
Peace of Mind: All alarm record history can be check in app; The smart window sensor is built-in low consumption module, 2*AAA Alkaline battery provide 1-year monitoring; All the statuses of doors and windows will be displayed simultaneously in the app; Share the device to your families, they can check the status and get notified at the same time
Note: The door sensor itself does not include a chime; However, you can program it to some smart voice devices via Smart Life app; When the sensor triggered open or close, the voice devices will perform as an alarm or bell in 10 seconds

WiFi Door Sensor, Tuya Smart Door Window Sensor,Wireless Window Sensor Real-time Alarm Compatible with Alexa Google Assistant,Home Security Door Open Contact Sensor for Business Burglar Alert (4 Pack)

Receive Real-time Alarms Remotely: when the door/window is opened or closed, the sensor will push instant notification to your smartphone immediately
Alert message push: When the door/window is triggered, you will receive an alarm signal from your phone. Convenient for you to detect your doors, windows, cabinets, drawers, or anywhere you want to notified when it is opened or closed
Only work with 2. 4 GHz WIFI CONNECTION: It connects to your smartphone via App under 2.4G Wi-Fi environment. If your WiFi router only supports 5G, the device won’t connect
Compatible with Alexa and Google home: It can also perform auto control together with other smart devices that are compatible with Smart life. The sensor door needs two AA batteries(not include). When the battery level is low, it will automatically push messages through APP to remind you to change the battery, never worry about running out of battery
Easy Installation：No Need to use complicated tools when installation, just use 3M glue to install, firm and durable. The distance between the two components should be as close as possible, and the closest distance should not affect the opening/closing of the door or window

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Last update 2021-11-23. Price and product availability may change.