Power Pet Electronic Pet Door – Medium – PX-1

Note: Please look at specs image to make sure the door you order is the correct size for your needs. This PX-1 (Medium) door is appropriate for most dogs up to 30 lbs. If your dog is 30 pounds or overweight, please measure to make sure the dog panel will be large enough. If you are not sure, it is best to order the large size door (PX-2).