DYNAREX PATIENT FALL MONITORING SYSTEMS Constructed of a durable thick plastic casing with special protective outer cover. Included stainless steel clip for mounting to chair or bed frame. Audible and visible low battery alert. One-year warranty. The Universal Bed/Chair Alarm is designed for use with Bed and Chair Sensor Pads. Side mounted HOLD button gives the caregiver 30 seconds to reposition the resident without activating the alarm. The Personal Alarm sounds alarm when magnetic dome is pulled from socket; attaches to resident's clothing. Adjustable string length allows the patient/resident to move normally.