Outdoor PIR. Range: Up to 12m x 180°, 2 fixed detector heads. Use a system with 2 patterns or detection diagram that provide an adjustable covering from 15º to 180º and from 3 to 12 meters for all horizontal angles detection. The sensor sets up an alarm only when its two patterns are overrun (Horizontal and downard adjustable) allows to avoid false alarms due to pet presence. This sensor has a pet unlimited tolerence because it´s installed higher tan pets tallness.