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Sabre vs. iSmartAlarm Window/Door Sensors

Written by | Updated April 11, 2020

The first line of defense against intruders, both the Sabre and the iSmartAlarm sensors are wireless and easy to install for the DIYer.

Bottom Line: iSmartAlarm Sensors Provide More Coverage

The iSmartAlarm sensors work well if you want complete home coverage with multiple zones and the ability to control your system remotely through a smart phone app.

Sabre vs. iSmartAlarm: Pricing and Features

Sabre Sensor iSmartAlarm Sensor
Price View on Amazon View on Amazon
Size 2 x 3.5 x 0.6″ 2 x 2 x 0.5″
Batteries 2 AAA CR2
Works with Other Security Systems No No
Low Battery Indicator Light Yes Yes
Left or Right Side Mounting Yes No
Smart Device/IFTTT Compatible No Yes
Professional Monitoring No No
Chime Option Yes Yes
System Device Capacity Up to 8 devices Up to 70 devices
Siren Volume 120 decibels 110 decibels
Requires Monthly Contract No No

Window/Door Sensors 101

Place door and window sensors in as many locations as possible, starting with the back of your home, where intruders are less likely to be seen. Make sure the surface is clean and dry before attaching a sensor, and install the sensors near the top of doors where they’ll be out of the way. You can check out the Best Window/Door Sensors for even more helpful info!

Compare Sabre vs. iSmartAlarm Sensors

Both Sensors Sabre Sensor iSmartAlarm Sensor
  • Wireless design
  • Low battery indicator light
  • Operate via magnets and transmitters
  • System can handle up to 8 sensors
  • Sensors can’t send you alerts
  • Not compatible with home automation
  • Mounts on either side of an opening
  • System can handle up to 70 sensors
  • Sensors will send you alerts
  • Can integrate with home automation
  • Mounts on only one side of an opening

Sabre Window/Door Sensor Review

sabre window and door sensor

The Sabre window/door sensor.

an amazon button

The Sabre Window/Door Sensor is an add-on to the Sabre WP-100 security system. It mounts using double-sided tape or screws and uses a transmitter and magnet to send a signal to the main system in case of a security breach. It can be mounted on any door or window, including interior openings.

sabre security equipment and sensors for alarm system

The Sabre WP-100 security system with window and door sensors.

an amazon button


  • Transmitter on both sides
  • Affordable
  • Can be placed up to 500 ft from control panel


  • Only 8 sensors per system
  • No remote monitoring
  • Zones must be adjusted by manipulating pins inside unit
  • Works only with Sabre WP-100 security system


The Sabre Window/Door sensors sell for just under $20 each.


Sabre sensors have arrows on both the transmitter and the magnet to ensure the placement is correct. The sensor also has a low-battery indicator light.


The Sabre Window/Door Sensor package includes the transmitter, magnet, and both double-stick tape and screws for mounting. Batteries are not included.

Home Automation

Sabre’s products are geared toward people who want a straightforward, software-free option for their home security. The alarm systems do not work with home automation, but the self-contained system does make them simpler than automated systems.

Bottom Line

This door/window sensor is a simple way to get more coverage for an existing Sabre system in a smaller home or apartment, and it’s great for those who want to scare off intruders, as the Sabre base unit boasts a 120-dB siren.

iSmartAlarm Contact Sensors

ismartalarm window and door sensor

The iSmartAlarm window/door sensor.

an amazon button

The iSmartAlarm Contact Sensors are an add-on to the iSmartAlarm CubeOne security system and can be attached with double-sided tape or screws to any window or door. This system can alert you to a breach by phone call, text, or email.  

ismartalarm system equipment for cube one

iSmartAlarm CubeOne security system.

an amazon button


  • Small and discreet
  • Long battery life
  • System can handle up to 70 sensors


  • Sensors only mount on one side of opening
  • Quiet alarm
  • Works only with iSmart CubeOne security system
  • Works only with Sabre WP-100 security system


The iSmartAlarm Contact Sensors are available only in two-packs that sell for just over $50.


The best feature of the iSmartAlarm sensors is that you can receive alerts and arm and disarm your system through your smart phone. You can also customize alerts to let you know when specific sensors are triggered, in case there’s a certain area of your home you’re particularly concerned about.


The package includes two transmitters, two magnets, mounting tape and hardware, and two CR2 batteries.

Home Automation

The iSmartAlarm sensors are great for home automation and use IFTTT technology to talk to other smart devices and smart hubs.

Our Verdict

Both sensors and systems are simple enough for do-it-yourself home security, but the brand you choose will depend on how many sensors you need and if you want remote access to your system.

Sabre: The Sabre sensors work well for an inexpensive, basic home security system that will alert you loudly when breached. This system is the best choice for people who want security without the hassle of the smart phone component.

iSmartAlarm: The iSmartAlarm sensors are connected to a pricier, fully integrated system that can alert you of a breach even when you’re not at home. It’s an excellent choice if you have a larger home or want home automation capabilities and smart phone alerts.

Written by Kasey Tross

Kasey is a trained Community Emergency Response Team (CERT) member and a freelance writer with expertise in emergency preparedness and security. As the mother of four kids, including two teens, Kasey knows the safety concerns parents face as they raise tech-savvy kids in a connected world, and she loves to research the latest security options for her own family and for SafeWise readers. Learn more

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