Motion Sensor & Pager - No Alarm in Patient Room - Package Also Includes a Washable, Absorbent Chair Protector Pad No alarm noise in patient's room! When motion sensor field is crossed, signal sent to pager up to 150' away which starts to alert! Motion sensor can be mounted to the wall or floor, or placed on a surface using the built-in stand. Pager has two tone options and on/off button. Includes AC adapter for use with the motion sensor. Pager requires 2 AA batteries, (not included). Also includes a Kerr Medical Washable, Absorbent Chair Protector Pad.