Featured Light Design: The Ultimate Automatic Door for Every Chicken Keeper This automatic chicken coop door opener will keep you night and day with its waterproof features, rugged design, light sensor, simple user interface and most importantly, light sensor. EASY TO USE: No more than 10 minutes to install the door (no complicated wiring or wiring required). Easy-to-program buttons. Automatically turn on in the morning and turn off automatically at night. You can set a timer or use the integrated (lux) light sensor. Battery powered: Minimum 3 years battery life for use in all conditions, requires 3 Aa batteries not included Rugged: Waterproof for extreme weather; work in -15f to 140f (-26c to 60c) snow, rain and dust, and withstand high and low temperatures. Easy to Operate: Means your door will work itself when the sun rises and close when the sun goes down. If necessary, you can use the test button to set an on timer. material: plastic Color: brown Size: 35 X 24 X 3.7cm Batteries: 3 Aa batteries required No Product List Included: 1 X Chicken Coop Doorno Battery Included