Heavy-duty, slim profile frame with “built-in” telescoping tunnel to fit wall thickness of 4-1/4” to 9-1/4” – no separate wall kit or parts to buy! Extra Large features 9-3/4″ x 17” Flap Size (for dogs 36-90 lbs).
Installs easily into all types of interior and exterior walls including drywall, plaster, wood, aluminum or vinyl siding, stucco, brick and even concrete and includes all hardware, 3/16” masonry drill bit and cut-out template with easy to follow step-by-step instructions. Frame can be painted to match existing wall color.
Features two replaceable flexible vinyl flaps for maximum insulation and energy efficiency. An animal lock-out slide is provided for added insulation and control of your pet’s access.

Clog-free 4L Food Tank: Consistently smoothly feed your pet with a scheduled feeding for 2-3 weeks. At the same time pet feeder keeps food fresh and delicious for every meal. Suitable for business trips, holidays and early mornings
Customized Healthy Diet for Pets: Your pet get the right amount of food on time, this cat food dispenser adjustable the amount of food in each meal, up to 20 portions setting per meal (7g ± 2g). It’ll save your time and take good care of your pets
Easy-to-Start 10s Voice Calls: Through 10s personalized voice recording, you can keep your fur friend connected and the auto pet feeder assure you that it’ ll stay full and happy by feeding it on a schedule. (Manual Feeding Function: Press the “Feed” button to give your pet extra rewards)