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The HONEYWELL HOME INTRUSION IS335 is a passive infrared (PIR) motion detector designed for indoor wall-mount security installations. It provides a 40-degree by 56-degree detection pattern, covering typical residential and light commercial interior spaces. The IS335 includes pet immunity rated up to 80 pounds, reducing false alarms caused by animals moving within the protected area. This detector is installed by security system technicians and integrates into standard intrusion alarm control panels.
The IS335 is suited for residential and light commercial indoor environments where reliable motion detection is required. Its wall-mount form factor allows placement in corners or along walls to maximize coverage of entry points, hallways, and open rooms. The pet immunity feature makes it appropriate for homes or businesses where animals are present, allowing the system to distinguish between pet movement and human intrusion under normal operating conditions.
Designed as an OEM-style replacement and standard-fit component for indoor PIR motion detector zones on compatible hardwired intrusion alarm control panels.
Installation should be performed by a licensed low-voltage or alarm systems technician in accordance with local electrical codes and the panel manufacturer wiring guidelines. Power down the alarm control panel or isolate the zone circuit before wiring the detector. Mount the unit at the manufacturer-recommended height to achieve the specified coverage pattern and avoid dead zones near the floor. Do not install in areas exposed to direct sunlight, HVAC discharge, or rapid temperature fluctuations, as these conditions can cause false triggers in PIR devices.
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