This all-in-one, compact, low cost, motion sensor and alarm allows caregiver to easily be alerted when sensor detects motion. This system is easy to use and set up. This wireless system alerts caregiver when patient vacates a bed, chair or the caregivers designated area. This motion sensor has adjustable tones and can be turned into "OFF" mode. The built-in swivel bracket helps to eliminate false alarms and accurately monitors the patient. Requires 1-9v battery. (not included).