The yale easy fit apartment alarm kit 4 is a simple keypad operated system that is ideal for flats apartments and small houses the useful keypad makes it easy for you to set and unset your alarm with a personal pin code and the system comes pre set with a 20 second entry or exit point this will allow you to exit or enter in plenty of time and the entire property can be armed or disarmed if your alarm is triggered for any reason a loud internal siren is activated alerting others in the vic