Xcellent Global Electronic Pet Training Mat Shock Pads Furniture Protection 20x48 inch FPT004 Trains your pets to learn good house manners by keeping them off furniture, counter or other selected rooms. size: 20*48 inch. Turn off the mat when not using. Please take off the battery and retry to turn on the mat or contact us. The mat emits a mild harmless static pulse when your pets touch it, so your pets would soon learn which parts of your home they should avoid. 3 level of static : Low(200mA),Middle(250mA),High(300mA Flexible PVC and copper wire made.1 pcs of 9V battery required.(not includ)