PiSector Wireless IR Motion Sensor for Home Alarm Security System (White) 433MHz by PiSECTOR Microprocessor-controlled pet-immune sensors for detecting motion of objects above 50 lbs with pre-analysis before alerting to minimize false alarms. PiSector Infrared Motion Sensor is industrial motion sensor, made in high quality components and material, The motion sensor afford you a reliable and trustable detector function and maximum reduce false alarm. Intelligent Data Analysis system build in to refuse the false signal. more accurate to detector real intruder. The intelligent Data Analysis system analyses the real intruder signal or false signal. Bi-directional temperature compensation over a wide operating temperature range to better support excellent detection probe