Wireless alarm still offers the security of a Yale branded alarm box for the exterior of the building two passive infrared sensors and two door contacts. The system is armed from a small wireless keypad which can be mounted independently in any location as it does not require mains power. The keypad also incorporates a PA Panic button and is easily removed from its wall bracket so it can be taken to bed at night time or any location in the building.The alarm system is pre-set with a 20 second exit entry period which can be triggered from all sensors. Full wireless standard security alarm FITTED for only 248.00 fully inclusive 1 year guarantee Click