SimpliSafe Motion Sensor – Compatible with Gen 3 Home Security System

Price: $34.99 - $29.99
(as of Oct 02, 2026 00:49:13 UTC – Details)


Detect intruders with SimpliSafe’s high-performance motion sensor. Engineered to tell the difference between people and pets, so if the alarm goes off, you can be confident it’s real. With a 90º field of view and 35 ft. range, it protects an entire room from a single location. Plus, you get fast alerts sent right to your phone when motion is detected so you always know what’s happening at home. And if you have a 24/7 professional monitoring plan—our agents are always ready to send help to your home when an alarm is triggered.
Motion sensor – Add an extra layer of protection inside your home. Designed to detect motion within 30 feet and has a 90 degree field of view for coverage from every corner
Covers large rooms – With 90 degree field of view, place the motion sensor in a corner for maximum room coverage
Pet-friendly – Reduces false alarms by ignoring pets under around 50 lbs
Simple set up – Peel and stick installation, place on a shelf or can install using included hardware. Then follow the steps in the SimpliSafe App
Compatible with the SimpliSafe Gen 3 Home Security System
Pro Tip: Mount your motion sensor in a corner for maximum room coverage.
Customers find the motion detector easy to follow and consider it a good addition to their security system. The device receives positive feedback for its security features, with one customer noting it doesn’t trigger false alarms when armed. However, customers report mixed experiences with reliability and compatibility – while some say it works flawlessly with the Gen3 base station, others mention it doesn’t always work and has connection issues. Additionally, the battery life receives negative feedback, with one customer reporting low battery errors.