The Yale Keypad is wireless and easy to pair with your Yale Intruder Alarm System, allowing you to extend your system to tailor it to your individual needs. This accessory can be used to arm, disarm or emergency trigger your Intruder alarm system. The disarming function is protected by the users PIN code for use when entering the property. More than one Key Pad can be used with the alarm system, so multiple Key Pads can be fitted throughout the property (e.g. front door, back door, upstairs), it will also work up to 200m away from the control panel.