Father laying down on couch playing with toddler on top of his stomache.

Door & Window Sensors

These security sensors alert you if doors and windows are opened or closed in your house.

Door & Window Sensors

Father laying down on couch playing with toddler on top of his stomache. Photo of Reliant's wireless sensor

These security sensors alert you if doors and windows are opened or closed in your house.

Photo of Reliant's wireless sensor

Status alerts

  • Customizable status alerts sent in real time to your smartphone.

Trigger alarm

  • Installs on doors, windows, cabinets and drawers–triggers an alarm when opened.

Reliant Connect app

Get 24/7 monitoring with security by Reliant View all packages

Key features of Reliant door & window sensors

Professional 24/7 monitoring
  • These door and window sensors are designed to work with all the Reliant home security system packages. Our 5-star rated monitoring service is here for you whenever an alarm sounds.
Integrated monitoring
  • Use with other home automation and security devices. For instance if a contact sensor indicates a door or window left open, the thermostat will automatically set back to save energy until the door is closed again.
Multiple users
  • The sensors are small, simple and unobtrusive and can be used in tight spots like freezer doors, medicine cabinets, and gun safes.
Professional installation
  • Reliant’s professional technicians can install your door and window sensors and test them to make sure it’s fully operational.

What our customers are saying

I like the features, cameras, being able to set alarm from my phone.

- Donna D. Richmond, TX

See what others are saying about Reliant.

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Electricity, Security and Home Automation Services provided by Reliant Energy Retail Services, LLC d/b/a Reliant. Electricity Services, Reliant, PUCT Certificate #10007. Security Services Contractor License TXB19469, 910 Louisiana, Houston, Texas 77002. Terms and conditions apply. For complete terms and conditions, visit reliant.com/connectterms. Reliant is a service mark of Reliant Energy Retail Holdings, LLC. ©2018 NRG Energy. Security and Home Automation Services only offered in Houston and Dallas.