CoopTender.com specializes in automatic chicken coop doors that integrate advanced technology with traditional craftsmanship. The Coop Tender® Internet Wi-Fi Enabled Automatic Chicken Coop Door combines energy-efficient micro-controller electronic technology with a solid steel screw-worm drive and precision wood craftsmanship. This door offers programmable operation from dusk-to-dawn, scheduled times, or manual control. It features a programmable freeze protect to keep the door closed in dangerously cold temperatures, ensuring the safety of the flock. The super bright LED status lights provide visibility at night, and the solid steel Acme all-thread screw drive ensures that predators cannot open the door. The door is energy-efficient, operating on less than 50 milliAmps for solar power or 1 Watt AC power. The optional Internet Wi-Fi Module allows for remote monitoring and programming. All products are handcrafted in the U.S.A. and are suitable for various chicken breeds. The Coop Tender® Certified Humane Automatic Chicken Coop Door offers a 21" wide x 18" high opening, endorsed by Humane Farm Animal Care for Certified Humane certification. The extra-large automatic chicken coop door is suitable for all chicken breeds, ducks, geese, and larger turkey varieties up to 30 pounds.