The standard alarm is a basic keypad operated system ideal for a flat terraced or semi detached home the keypad enables you to set or unset the alarm via an access code the system is pre set with a 20 second exitentry period and will allow the entire property to be either armed or disarmed specifications siren box pir movement detector x 2 doorwindow contact x 2 keypad contoller fixxing bartteries stickers installation guide dvd features keypad operatd system ideal for a flat ter