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Home Security Systems
Home Security Systems
Home Security Systems


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ADT Home Security System
ADT Home Security System
  • Fast 24/7 Emergency Response Protection
  • Burglary, Fire, and Smoke Detectors
  • Health Emergency Protection
  • Two-Way Voice Communication
  • An ADT Yard Sign and Decals
  • Door Contacts and Motion Detector
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How Do Window and Door Sensors Work?

Window and door security sensors are an important part of any home security system. These sensors are typically installed on windows and doors and are designed to detect when they are opened or closed. When a window or door is opened, the sensor will trigger an alarm or alert the homeowner, allowing them to take action to protect their home.

Window and door security sensors come in a variety of shapes and sizes, and can be easily installed by the homeowner or a professional security company. Some sensors are designed to be placed on the frame of the window or door, while others are designed to be mounted on the wall or ceiling nearby.

One common type of window and door security sensor is the magnetic sensor. These sensors consist of two parts: a magnet and a sensor. The magnet is typically installed on the window or door frame, while the sensor is installed on the moving part of the window or door, such as the sash or the door itself. When the window or door is closed, the magnet and sensor are in close proximity to each other, and the sensor does not trigger an alarm. However, when the window or door is opened, the magnet and sensor move apart, and the sensor will trigger an alarm.

Another type of window and door security sensor is the pressure-sensitive sensor. These sensors are typically installed on the door frame or the floor near the door. They are designed to detect changes in pressure, such as when a door is opened or closed. When the door is opened, the sensor will trigger an alarm.

In addition to triggering an alarm, many window and door security sensors are also capable of sending a notification to the homeowner's smartphone or other device. This allows the homeowner to be alerted to potential security threats even when they are not at home. Some security systems also have the ability to automatically alert the authorities, such as the police or fire department, if an alarm is triggered.

One of the biggest benefits of window and door security sensors is that they can help to prevent break-ins. Burglars often look for easy entry points, such as windows and doors that are not properly secured. By installing security sensors on these entry points, homeowners can make it much more difficult for burglars to break into their home.

In addition to preventing break-ins, window and door security sensors can also provide other benefits. For example, they can help to prevent accidents, such as children or pets accidentally opening a window or door and falling out. They can also help to prevent damage to the home, such as a window or door being left open during a storm.

Customer Reviews

3 average based on 15 reviews


Williams Henry Trusted Customer

I can’t believe how awesome this wireless home security system is! The package includes everything I need – from burglary and fire detectors, yard signs and decals, and two-way voice communication to emergency health alerts. Seriously, if you want top-notch protection without the fancy talk, these guys got your back. Big thumbs up to the squad for keeping my property on lock!


Gary PTrusted Customer

Yo, gotta shout out this security crew – they’re the real deal! The wireless home system with burglary, fire, and smoke detectors felt like I got the Avengers protecting my castle. The two-way voice thing is like talking to my home superhero. The 24/7 emergency response is like having my own superhero squad – fast and always on point. The yard signs and decals make my place look boss, and the door contacts and motion detectors are like my personal bouncers. Highly recommended!


Peter Mattews Trusted Customer

This home security system is cool. The emergency response is like super speed, had a false alarm once, and they were on it before I blinked. Got all the cool features, from burglar and environmental disaster alerts, security cameras, window/door sensors, and two-way voice commands to health protection. It’s like having a security squad for my house. Honestly, this setup is boss-level protection!

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$99.00 Customer Installation Charge. 36-Month Monitoring Agreement required at $36.99 per month $1,331.64). 24-Month Monitoring Agreement required at $36.99 per month $887.76) for California. Form of payment must be by credit card or electronic charge to your checking or savings account. Offer applies to homeowners only. Local permit fees may be required. Satisfactory credit history required. Certain restrictions may apply. Offer valid for new ADT Authorized Dealer customers only and not on purchases from ADT LLC. Other rate plans available. Cannot be combined with any other offer.

Safe Streets License # CMPY.0002025, AK 1074625 | 136835, AL - BA13-99 AESBL #993, AR BAE20110029, AZ 302967 | 19898, CA 5685; CA 1031324 | ACO7817, CO 2015-BFN-0008204, CT CLELC.0185208-L5 | HIC.0652291, DC BL602511000104, DE BA11-201, FL BAEG13000404, GA BLLVA205866, IA BAAC0129, ID RCE-40579 | 037665, IL BA127001452, IN BALAC000190, KS 2020-42748, KY 9365222, LA F2164, MA 192442, ME MS60021441, MD BA107-1680 | 16368955 | 1352811, 01981855, MI BA3601206276, MN BATS02343, MS BA15013023 | 10429325, MT PSP-ELS-LIC-30523, NC BL624CSA, NE 3017, NH 0463C, NJ BA34BF00018800 | 13VH06160200, NM 387294, NV G66-02835 3000009891, NY BA12000302109, OH 53.89.1866, OK AC440557, OR 208546 - CCB, PA CL PA024334, SC BABAC 13455, TN BA0000-1611, TX B18742 B06239001 ACR-2072317, UT 9439243-6501, VA BA11-6617 | 2705139266, WA SAFESSU854P8 | EC SAFESSU846BO, WV BAWV047939