Install Quick. Mount the bed alarm device beyond patient's reach. Place bed pad beneath patient's buttocks or shoulders. The motion sensor alarm system will alert you when the patient tries to stand. Note: It cannot be used on a patient with a pacemaker/defibrillator Mount Easily. Accessories provided. Clip the device on bed rails with a U-bracket, mount it on the wall using the bracket and screws, or secure it on a flat surface using velcro strips with adhesive. Hear Clearly. Choose between ring chimes options. Set sound to alarm or music at loud (80db) or louder (90db) volume. Press 'Test' button to preview alarm ring for 3 seconds. 9V battery included. Use Safely. A removable rubber casing protects our alarm device. Made with advanced vinyl, our slim 10 x 30 mattress pad is tear-and-water resistant. It is latex-free, foldable, and easy to clean. Ready to Serve. Read the instructions manual before using your patient alarm system. If your elderly monitoring device suffers defects within 1 year, return it and get a hassle-free replacement. ASIN B07H4CFHM7 Batteries 1 9V batteries required. (included) Item Weight 1.41 pounds Manufacturer Patient Aid Item model number PA502B Package Dimensions 17.13 x 10.91 x 3.03 inches Is Discontinued By Manufacturer No