Latest Sikading Automatic Chicken Coop Door With Light Sensor, It Comes With A Light-Sensing Mode, Light Sensor Can Open The Door At Dawn And Close It At Dusk By Sensing The Change Of Sunlight, Ensuring Your Chickens Get Protected At Night And Prevent Your Chickens From Fierce Animals. The Ultimate Automatic Door For Every Chicken Breeder Sikading Auto Chicken Coop Door Comes With Detailed Instructions To Ensure That You Easily Install Your Chicken Door Within 10 Mins (You DonT Have To Assemble The Door Opener), Just Need To Install It In The Right Place. It Works With 3 Aa Batteries (Not Included). Say Goodbye To The Old-Style Chicken Coop Door Kind Tips: In Order To Make The Chicken Coop Door Work Better, Do Not Twist The Screws Too Tightly During The Installation Process. The Light Sensing Chicken Coop Door Is Made Of High-Quality Pp Plastic, Ip44 Waterproof, Which Is Durable And Not Easy To Bend, Suitable For All Kinds Of Weather, And Can Be Used Safely For A Long Time. It Can Work At The Temperature Of - 15F To 140F (-26C To 60C) In The Snow, Rain And Dust. The Size Of The Whole Automatic Chicken Door Opener Is Around 13.8''X 9.4'', And It'S Usable For All Suitable Sized Chickens And Ducks. Sikading Chicken Coop Door Is Programed With A Protection Mechanism. If The Door Touched Chickens, It Will Stop Automatically. No Worries About Hurting Your Cute Chickens.