QUICK AND EASY INSTALLATION You can set up the automatic chicken coop door in less than 10 minutes without any complex wiring or cables. LONG LASTING BATTERY The chicken coop automatic door runs on 3xAA batteries (Not included) that last for at least 1 year in all weather conditions. You can change the batteries in 3 minutes whenever you need to. USER FRIENDLY SETTINGS You can program the automatic chicken coop door with a simple push button or use your phone for more advanced options. The door opens in the morning and closes in the evening according to your preferences. You can choose the Timer, Light Sensor, Manual mode or any combination of them. WEATHER RESISTANT DESIGN The automatic chicken coop door is waterproof and tested to work in snow, rain, and dust from 15°F to 140°F ( 26°C to 60°C). nbsp;DURABLE AND STURDY The chicken coop door is made of full aluminum doors and slider with high quality powder coating in a fine structural color. The door is specially designed to withstand the outdoor environment. SAFE AND RELIABLE The automatic chicken coop door opener with timer will protect your chickens, geese, duck or other poultry from predators and save you a lot of time. It is a must have accessory for any farmer.