Product Description Automatic Chicken Coop Door Light Sensor Chicken Coop Chicken Door Opening Timer Night and Morning Delay Chicken Pet Dog Cage Door | Dog Door Ramp Description: Material: Plastic Color: Black Brown Size: 35x24x3.7cm Product Weight: 400g/ 480g with inner box Battery: 3 AA batteries (not included) Magnet: The engine contains magnet Function: Light sensor (open in strong light, close in dark), liftable, waterproof (IP44) Features: [Lightweight design] Suitable for automatic doors This automatic chicken coop door opener for every chicken farmer will amaze you with its waterproof features, sturdy design, light sensor, simple user interface and most importantly light sensor, giving you a sense of freedom during the day and night. [Easy to Use] - It takes less than 10 minutes to install the door (no complicated wiring or wiring required). Easy to program buttons. It automatically turns on in the morning and turns off at night. You can set a timer or use the integrated light sensor (lux). 【Battery Powered】Battery life is at least 3 years in all conditions and can be replaced in 3 minutes, no solar cells required (battery not included in package). [Rugged and Durable] Suitable for extreme weather and waterproof; can work in -15f 140f (-26c to 60c) snow, rain and dust, and can withstand high and low temperatures. [Easy to Operate] means your door will operate by itself when the sun rises and close automatically when the sun rises. sunset. If necessary, you can set a turn-on timer using the test button. Package includes: 1*Photosensitive automatic chicken house door