Designed for use with Interlogix control panels and wireless receivers, the TX-E721 Passive Infrared (PIR) motion detection sensor is a wireless, battery-powered device that features advanced signal processing, and can eliminate false alarms caused by pets weighing up to 40 pounds.



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TX-E721 Motion Detector Guide

Get started with your new motion detector.

How to Program the TX-E721 to an IQ Panel 2

View instructions for connecting a motion detector to your panel.

TX-E721—Battery Replacement

View instructions for replacing your motion detector's battery.

TX-E721—Resolving a Malfunction

View instructions for resolving a sensor malfunction.

TX-E721—Tamper Error

Learn how to fix a sensor tamper error.