The Honeywell IS312 is a passive infrared motion sensor, featuring a silent relay for use in quiet environments. Its the ideal sensor with a smooth white housing that is designed to blend with any décor in residential and light commercial applications. The motion sensor has select-able pet immunity which can distinguish between signals caused by humans and signals caused by pets up to 36kgs. The IS312 is easy to install and offers a convenient wiring channel, knockouts for mounting and wiring and easy access to wiring terminals. To make installation easier, mounting screws are conveniently secured inside the detector rear housing. (mounting bracket not included). Dip switch setting allows easy setting of the unit parameter with a range of 12 metres x 17 metres PIR with creep zone. Compromising the IS312 is inhibited by the look-down zones by the patented look-down mirror providing optimum detection directly beneath the sensor. A Tamper Switch activates before access to the cir