Bed alarm and pad automatically alert caregiver with your patient exits their bed The monitor features a prominently placed reset button to silence the alert a low battery indicator a pad lost alert if the pad is disconnected and volume adjustment The weightsensing bed pad is made of a soft latexfree vinyl with foam interior and is sealed for incontinence protection The weight sensing pad for the bed is 10x30 To operate simply place pad under your patients back or buttock area underneath the fitted sheet Alarm will sound as patient sits up to get up from bed Monitor and Pad both come with a 1 year warranty Requires one 9 volt battery not included