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Fortress S02 Door / Window Contact Sensor
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Fortress S02 Door / Window Contact Sensor

Be the first to review this product | 8 Answered questions

SKU: S02Contact
  • No Contract
    or Monthly Charges
  • 3 Year
  • 30 Day
    Satisfaction Guarantee
  • Description
  • Specifications
  • Features

This sensor is a magnetic contact sensor for doors, windows, and other entry points. When the magnet and the sensor are separated, the sensor sends a wireless signal to trigger the alarm. When you mount one piece on the door or window, and the other piece on the frame, the sensor will activate whenever the door or window is opened. For best performance, you should not mount this sensor directly on a metal surface. The sensor and the magnet should be no further than ¼ inch apart when the door or window is closed. When applying the adhesive tape, make sure that you are mounting on a clean, flat, dry surface. A starter battery is included with the sensor, and we offer additional 23A batteries for purchase on our web site.

  • One “23A” 12-Volt battery
  • 433MHz wireless signal
  • ~ 150 ft. range, with line of sight
  • Top LED light flashes for 1-2 seconds to indicate activity
  • Bottom LED lights up solid to indicate a low battery
  • Magnetic sensor protects doors, windows, and other entry points
  • Mount on a clean, flat, dry surface. Place a spacer between the sensor and any metal surfaces.
  • 2 LED lights - Activity Light and Low Battery Indicator Light

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Fortress S02 Door / Window Contact Sensor Description

The basic building block of the S02 and GSM Alarm Systems, contact sensors are designed to detect a window or door being forced open. The most likely method of forced entry into a home or office is via a door or windows. That's why it's so important to have contact sensors attached to the windows and doors on at least the ground floor of your home. These totally wireless sensors contain a small battery and transmit data electronically to the main control panel.

Purchase this accessory at the same time as an alarm package and we will program everything for you!

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ratings 4.7 Overall Satisfaction Rating Based on 374 Ratings from Actual Customers
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Belindda B


Verified Customer
review rating

really need to have more detailed info on the product specifics batteries, how long batteries last, etc.

Verified Customer
review rating
Heriberto A

Camera works great.

Verified Customer
review rating
Rick R

bought the system 3 weeks ago but first had a bad control panel, then strobe siren - now have new siren but does not work... frustrated and cannot reach you on the weekend. need to have my money refunded on the strobe siren - have lost some confidence in the system but plan to install. The system is installed and working properly but was only possible through the great support received every time I called for help. However, still frustrated that we could never get the indoor / strobe light siren to work. A new siren was sent but still had the same problem. Please work the bugs out of the system and you will have great product very soon.

Verified Customer
review rating
Teresa M

Confusing because I forgot I even had an account.

Verified Customer
Fortress S02 Door / Window Contact Sensor

will these work with the s6 titan panel?


Hello Michael, Yes those contacts are compatible with the S6 Titan Panel. Thanks, Jessica Customer Service Manager


Are these compatible with the S03


Hello Wynn, Yes, those contacts are compatible with the S03. Thanks! Jessica Fortress Security Store


Are these compatible with almond 2015


Hi, Chris, Thanks for your question! These sensors are meant to be used in conjunction with one of our security systems, and are not compatible with smart home appliances. Regards, Amanda, Fortress Security Store