Yale B-HSA6031 Alarm Accessory Pet Friendly PIR, Pack of 3, Motion Activated, Pet Friendly, Accessory for HSA Alarms Including YES-ALARMKIT, White

***PLEASE NOTE*** These alarm accessories are compatible ONLY with Yale?s 6000 range of alarms including the HSA 6200/6300 and 6400 communicating alarm (Grey and Yellow packaging) and the older 3000 range. They are NOT compatible with the latest ?EASY FIT? alarms (Black and Yellow packaging) as these work on another frequency? PLEASE DO NOT ATTEMPT TO FIT UNLESS YOU HAVE PURCHASED THE CORRECT A...