The PetSafe Wall Entry Pet Door with Telescoping Tunnel is an excellent choice for cat and dog owners alike. Designed for easy installation and minimal fuss, this product ensures the safe and secure entry of your furry friends while simultaneously reducing energy consumption. The door's telescopic tunnel design allows for modifications to fit various door widths, accommodating even the most unconventional openings. Plus, its energy-efficient design ensures minimal disruption to your home's power supply, making it an environmentally friendly option as well. The PetSafe Wall Entry Pet Door with Telescoping Tunnel is a seamless addition to any home, perfect for those who value the convenience and comfort of automatic pet doors while prioritizing sustainability and energy efficiency.