Can pets trigger my Motion Sensor? Follow The Motion Sensors are pet-friendly up to 40 lbs. You should still ensure a pet under 40 lbs cannot climb on an elevated surface or false alarms may still occur. For assistance with false alarms, please contact Customer Care. Facebook Twitter LinkedIn Submit feedback Comments 0 comments Article is closed for comments. Articles in this section How does the Motion Sensor detect motion? How do I mount my Motion Sensor? Can I drill my Motion Sensor into the wall? Can pets trigger my Motion Sensor? How is the Motion Sensor armed? What happens if the Motion Sensor sees motion while the system is armed?