Loading... Please wait...Alarm sounds when individual attempts to leave or falls out of bed allowing family members and caregivers peace of mind. Ideal for ICU or anywhere early detection is necessary. Invisible curtain of protection provides a wide area of protection. Easy to mount. One 9V (included) or AC powered. Swivel bracket adjusts monitoring beam. No pads or clips to avoid false alarms. 85–95 dB without volume control. 1 Year Limited Warranty.