
The Yale pet friendly PIR (Passive Infra Red) Movement detectors will not detect movement from animals up to Approx. 26KG in weight. The HSA6021 pet friendly PIR (Passive Infra Red) movement detectors are for use with all Yale burglar alarms less than 4 years old as they operate on the 433.92 MHz frequency. Each detector offers easy wireless installation & registration to the control panel. Each detector can be set to protect an area just at night (Home arming) or full time protection