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Security that blends in
Get alerts on your ADT+ app when the entry points of your home are opened or the sensors are tampered with.
Sensors can be used to monitor cabinets and drawers and deliver additional security for jewelry, cash and other items.
Set up in minutes, no drillings required. With a minimal look, the sensor blends seamlessly into your home.
The ADT+ app ties it all together
Smart notifications

Get alerts for what matters most, like when doors or windows open, unexpected motion, and alarms.
Real-time control
Control your security and smart home products while on the go using your smart phone.
Arm and disarm from virtually anywhere
Stay in control of your home security by arming or disarming your system remotely.
You have questions, we’ve got you covered
What is this product?
The Door/Window Sensor is a wireless door and window sensor that detects when an access point is opened or closed. Powered by a long-lasting battery, this sensor alerts your system and ADT+ app to any unauthorized entry, helping to protect your home 24/7. This sensor will alert you if it is tampered with during a potential break in attempt and supports convenient smart home automations, like turning the lights on when you walk into your front door. With Convenience Mode, you can also use this sensor to help secure interior rooms and cabinets, such as your child's room or medicine cabinets. It's easy to install, discreet, and a core part of your smart home security system. It works by using a magnetic circuit that detects when a door or window is opened or closed.
What are the key features?
Key features include:
- Wireless installation: Easy to mount on most doors and windows without wiring.
- Battery-powered: Long-lasting battery helps to ensure continuous protection.
- Real time alerts: Sends instant notifications to your smartphone.
- Tamper-resistance: Helps to prevent unauthorized removal or tampering.
- Smart home integration: Works seamlessly with other devices of the smart home security system.
- Multi-use flexibility: Place on drawers and cabinets to help secure personal items, interior rooms, and sensitive files.
How do I install it?
Installing the Door/Window Sensor couldn't be easier. Just align the sensor and magnet within .5” when closed and mount them on a clean surface using pre-applied adhesive backing—no tools or wiring required!
Where should I place Door/Window Sensors for optimal coverage?
Place Door/Window Sensors on easily accessible entry points, such as front and back doors, ground-level windows, and garage doors. For optimal performance, install them on any door or window that could be used to enter your home. You can also install sensors on sensitive interior areas, such as a child's bedroom, and personal storage, such as files and valuable drawers, for additional layers of security.
Does the Door/Window Sensor integrate with other smart home devices?
Yes! The Door/Window Sensor seamlessly integrates with your ADT+ app and smart home security system devices, which includes the Base and optional smart home accessories like. Door/Window sensors work seamlessly with other smart home security system devices and can act as triggers for convenient smart home automations.
Can I monitor it remotely when I’m not home?
Yes, you can remotely access and control the Door/Window Sensor using the ADT+ app on your smartphone or tablet virtually wherever you have an internet connection. Get notified when a sensor is opened, battery is low, or it's tampered with.
What automations does it support?
The Door/Window Sensor offers versatile smart home automation capabilities when integrated with your security system. By connecting the sensor through the ADT+ app, you can create customized automation rules to enhance your home's security and convenience.
Is it resistant to tampering?
Yes, the Door/Window Sensor has tamper-resistant features. If someone tries to remove or tamper with the sensor, it can trigger an alert to the ADT+ app, helping to protect your home against unauthorized access. This added layer of protection helps to ensure reliable and secure monitoring.
What happens if my Wi-Fi or power goes down?
The Door/Window Sensor will still work if your Wi-Fi goes down. The sensor communicates with your Base using a dedicated wireless signal, independent from Wi-Fi. As long as your system is powered, it will continue to monitor activity and send alerts. If the power goes out, your Door/Window Sensor will continue to function normally. The sensor runs on a battery, is connected wirelessly to your ADT Base, and doesn’t rely on your home’s power. Plus, your Base has a 24-hour built-in backup battery, so it can keep sending alerts during power outages. This helps to ensure continuous performance, even when the lights go out.





