This pressure-sensitive bed alarm with reset button by Drive Medical alerts caregiver whenever a patient rises from a chair. The pressure-sensitive pad connects to the audio alarm, which features a safety alert, On/Off switch and low battery warning. Four AA batteries are included to operate the alarm. The chair-sized pad is 11" x 30".Alerts care giver with audio alarm when patient gets out of a chair or bed|Pressure-sensitive pad connects to the audio alarm|The alarm comes with a safety alert, On/Off switch, and low battery warning|Comes with 9V Battery (Included)Actual Product Weight: 1 lb; Batteries: 1 - 9V; Overall Product Height: 1"; Overall Product Length: 11"; Overall Product Width: 30"; Primary Product Color: Black/Blue; Primary Product Material: PlasticOption: With Reset Button; Size: Bed Pad 11"x30"This pressure-sensitive bed or chair alarm with reset button by Drive Medical alerts caregiver whenever a patient rises from a chair. The pressure-sensitive pad connects to the audio alarm, which features a safety alert, On/Off switch and low battery warning. Four AA batteries are included to operate the alarm (Available with or without a reset button and a chair or bed sized pad).Alerts care giver with audio alarm when patient gets out of a chair or bed|Comes with 9V Battery (Included)|Pressure-sensitive pad connects to the audio alarm|The alarm comes with a safety alert, On/Off switch and low battery warning