1.Easy to install and simple to use-the time to install the door is no more than 10 minutes (no complicated wiring or wiring required).2.Battery power supply-2 AA batteries are required, you can replace them in 3 minutes, no solar battery is required, and the product can be used for at least 1 year under natural conditions3.Easy to use-easy to program buttons. Light sensor function, it automatically turns on in the morning and turns off automatically at night.4.Suitable for extreme weather-waterproof; can work in snow, rain and dust from -15F to 140F (-26C to 60C).5.One-piece design-one piece; all-aluminum door and slider. High-quality powder coating, fine structural color (designed specifically for the external environment).The ultimate automatic door for every chicken breeder This automatic chicken house door opener will surprise you with its waterproof function, sturdy design, light sensor, simple user interface and most importantly light sensor to make you feel free to range at night and during the day.Material:plastic black brownSize:35x24x3.7cm, inner box 25x5x36cmProduct weight:400g / 480g with inner boxBattery:3 AA batteries (not provided)Magnet:The motor contains magnetismFunction:light sensor (open the door with strong light, close the door in darkness), can be raised and lowered, waterproof (IP44)