Advantage Magnetic Patient Alarms, 1 Count manufacturer_MEDLINE Size: 2 3 8" x 2 3 4" Dimensions Size: 2 3 8" x 2 3 4" Dimensions 3 Line Display and One Touch Operation the all the essential functions for blood pressure monitoring in a smart compact unit Inhibit patient wandering with this efficient alarm The magnetic pull switch releases from any angle helping to eliminate false alarms and clothing tears Mounts on bed or chair Tether clips to patient's clothing Recessed on off switch on side of alarm Battery check button allows caregiver to check batteries without sounding alarm Uses 2 AAA batteries (included) Battery cover securely fastened with screws Adjustable cord Includes strap and hook and loop fastener for mounting