If you are already using or plan to purchase the ElkGuard Wireless Home Security System or the ElkGuard Wireless Home Security System with Cellular GSM , the ElkGuard Slimline PIR Wireless Motion Detector is an excellent accessory. It can be added to either wireless security system to sense movement, and because each system can handle up to 23 additional devices, you can place multiple units throughout your home. This battery powered device communicates wirelessly via radio frequency (RF), so difficult in-wall wiring or hardwired connections aren't required. The extremely compact design of this product makes it ideal for discrete placement. It will send an alarm signal when movement has been detected or if the unit is being tampered with, it will also send a signal when the battery is running low. With a broad 90° angle of detection and a sensing range of up to 38 feet, this reliable sensor can boost security on any ElkGuard system. This product requires the use of a 9-Volt Lithium Battery, included.This product is also available as a Pet Immune PIR Wireless Motion Detector or a standard PIR Wireless Motion Detector more info

You don't have to sacrifice the security of your home because you own pets. With most ordinary motion detectors, a dog or cat can easy trip the sensor and cause a false alarm. With most cities cracking down on residential false alarms, you could face stiff fines, or be put on a do not respond list by local law enforcement.It Won't Confuse Your Pets for BurglarsThe Slimline Pet Immune PIR Motion Detector is an updated version of a motion sensor we've sold for years. This new model contains an advanced pet immune PIR detector element and lens system. Using TSITM (Target Specific Imaging) technology, the detector ensures immunity to pets weighing up to 40 pounds (18 kg).Reliable OperationThe detector is also notable for its high stability, enhanced RFI protection (greater than 30 V/m), and high-temperature compensation for maximum catch performance and unique low-temperature compensation for optimum false-alarm rejection. The pyroelectric sensor is enclosed in a sealed chamber, protected from insects and air drafts. more info