The MPPL Long Range Pager with PIR Sensor is compatible with Medpage radio pagers and digital message pagers and is quick and easy to install.Ideal for detection of wandering or bed leaving, this sensor can also be used for general security in your home or outbuildings. Multiple pagers can be used to create a simple security system, with each sensor sending location/ID details to a single - or multiple pagers. The Long Range MPPL Pager comes supplied with a wall mounting bracket and Velcro fixing tape. When in long range mode, this sensor can transmit up to and over 400 meters.