The Honeywell evohome Security PIR Motion Sensor (IRPI8EZS) has been designed to dramatically reduce false alarms from pets. The sensor uses a high quality lens to detect intruders, together with heat detection and passive infrared. It can identify or ignore animals weighing up to 36kg. Protect large areas of the home with 11 x 12m sensing range with patented look-down mirror. Fast fit and simple setup with easy to mount on wall and in angles/corners with the wall mount bracket. Wireless and easy to install. Range 1000m. 868MHz. Fully expandable system - up to . Pack includes: LED indicators. Batteries; fixings and installation DVD. Batteries required: 1 x (included), . Size H11.2, W6, D4cm. Weight 84g. Manufacturers 2 year guarantee.