The Best Door & Window Alarms 2024

1. Aqara - P2 Door and Window Sensor- Matter Natively Support, Need Matter Border Router, Remote Alarm and Local Automation - White

Aqara Door and Window Sensor P2 not only incorporates all the advanced automation and security features Aqara is known for, but also gives users the option to connect it directly to third-party Thread border routers, such as smart speakers, and use all the benefits of the Matter smart home standard.

2. ecobee - SmartSensor 1-Pack - White

Unlock the potential of your ecobee experience with smarter comfort, further savings, and reassurance from anywhere. SmartSensor keeps you comfortable where you are instead of just where your thermostat is through occupancy detection. Place SmartSensor in the most important room, like your bedroom, child’s room, or office to keep it the perfect temperature.

Unlock the potential of your ecobee experience with smarter comfort, further savings, and reassurance from anywhere. SmartSensor keeps you comfortable where you are instead of just where your thermostat is through occupancy detection. Place SmartSensor in the most important room, like your bedroom, child’s room, or office to keep it the perfect temperature.

3. SimpliSafe - 1pack Entry Sensor - White

Connects to compatible devices via 3G, 4G, 4G LTE or Bluetooth; Split-Spectrum, ionization and photoelectric sensors; Nest app (download required); mounting hardware included

Protect all the doors and windows in your home from break-ins with the SimpliSafe entry sensor. Working in tandem with your existing SimpliSafe protection package, this compact and discreet entry sensor goes unnoticed. Installation is a snap: simply place this SimpliSafe entry sensor on any window or door frame, and tap Add Device on your keypad.

4. SimpliSafe - Glassbreak Sensor - White

Precise sound detection; battery pre-installed; simple installation

Act fast against burglaries with this SimpliSafe glass break sensor. It triggers an alarm if it detects the sound of shattering glass within its 20-foot range, providing reliable security even when no motion detector is used. This SimpliSafe glass break sensor utilizes detection algorithm and digital signal processing technologies for accurate sound recognition.

5. Samsung - Multipurpose Sensor - White

Help protect your home and family with this Samsung multipurpose sensor. Receive alerts if doors or windows are opened unexpectedly. Set lights and other connected devices to turn on and off as people come and go.

6. eufy Security - Smart Home Security Entry Sensor Add-on - White

Discuss your needsRun a Wi-Fi AnalyzerUpdate your smart devices to the latest firmwareIntegrate two already-installed smart devices into your existing smart hubConfigure up to four smart home featuresDemonstrate functionality

Protect Your Doors and Windows from Break-Ins with eufy Security Entry Sensor. Once a window or door is ajar by 1.5 inch, an alert will be sent to your smartphone, and a 100-decibel siren will go off on the HomeBase (can be disabled). Requires eufy Security HomeBase.

7. Eve Door & Window Smart contact sensor with Apple HomeKit, Bluetooth and Thread - White

Eve Door/Window Sensor

Unassuming and a breeze to install, Eve Door & Window fuses cutting-edge convenience with everyday peace of mind. Know the status of your door or window. Equip it to automatically control other HomeKit-enabled accessories throughout your home. And receive notifications while you are on the go, courtesy of your ever-present home hub. Eve Door & Window is powered by a long-lasting, replaceable battery, and boasts truly wireless, energy-efficient operation thanks to Bluetooth Low Energy technology.

8. ecobee - SmartSensor for Doors and Windows (2-Pack) - White

Works with conventional (2H/2C), heat pump (4H/2C), gas, oil, electric and dual fuel; Apple® HomeKit-enabled; Wi-Fi capability; Compatible with most 24V heating and cooling systems; 7-day schedule; 3.5" LCD touch screen

Get even more peace of mind with SmartSensor for doors and windows. They protect your home with instant notifications when an entryway or access point is opened or closed. With an ecobee Smart Security subscription, you can unlock even more and get instant alerts when any unexpected motion is detected in your home.

9. T1 Door and Window Sensor- Requires Aqara Hub, Supports Apple HomeKit, Alexa, Google, SmartThings - White

Aqara Door and Window Sensor T1 detects the open and close state of doors or windows through the distance between the sensor unit and the magnet. It consumes a minimal amount of energy. No tools are required, just stick it to the desired place and use it in a dozen of possible use cases.

10. eufy Security - Chime Add-On for eufy Video Doorbell E340 - White

Gain instant alerts when visitors arrive at your home with the eufy’s add-on Chime, designed for the Video Doorbell E340. Receive instant app notifications when a guest or delivery person rings the doorbell or motion is detected at the door. Customize the volume and select from 8 chime options while installation is a breeze. Simply plug the chime into a wall outlet, connect to your 2.4 GHz Wi-Fi network then follow the app prompts. *This chime is compatible with eufy wired doorbells. It is not compatible out of the box with battery-powered doorbells nor outdoor cameras. You may connect it to a battery-powered doorbell if you also utilize a eufy HomeBase 2 or HomeBase S380 (HomeBase 3), as well as a USB dongle.