FEATURES Auto on when patient is on the mat.Auto alarm when patient is off the mat.Auto stop alarm and resume monitoring when patient is back on the mat.Audible alarm.Flashing bright LED light when alarming.Pause alarm button.Adjustable alarm delay.Plugs into existing nurse call outlet.Select monitoring for nurse call only in room only or both.Additional port for other nurse call equipment.Low battery LED light.9 Volt battery included.May be used with Economat bed or chair mats.Clip for wheelchair attachment.Dimensions 3 X 5 X 1