Gbargain Electronic Pet Training Mat Extension for the Indoor Dog Training Strip for Sofa - 30 by 16 Inch * Respond to your pets touch with harmless low-power 3-second static pulse * Safely and effectively trains your pets to stay away from certain areas * Runs up to 6 months or 10,000 activations on single 9-volt battery (not included) * Suitable for all cats and dogs * Size 30*16 inch ;Life time Warranty: If it doesn't work out, you can get a full refund or a new replacement.