Light sensor chicken coop door: Automatic chicken coop door with light sensor system can open at sunrise and close at dusk according to changes in sunlight. The entire process turns on and off automatically without any manual intervention. If you want to open this door manually, just turn off the switch on the door.Easy to install: We provide you with screws to make it easier for you to install the chicken coop door. Chicken coop doors are designed for long-term use. It only requires 3 AA batteries (not included) to power it, and the battery life is 1 year. Assembling the door takes no more than 10 minutes. When the battery power is below 20%, the chicken door opener light will continue to flash to let you know that the battery needs to be replaced.HIGH QUALITY MATERIAL: The chicken coop door works well in extreme weather and even in temperatures from -30C to 55C. It is made of PP plastic, IP44 waterproof, durable and windproof. Not easy to bend or deform. Ideal for indoor and outdoor use and safe for long-term use.Wide range of applications: The entire automatic chicken house door measures approximately 35 x 24 cm, and the inner door measures approximately 30 x 20 cm. Suitable for chickens and ducks of various specifications. Automatic chicken coop doors are widely available for indoor and outdoor use and will protect your chickens and ducks from predators.Note: Since this product is a light sensor control product, if your stable is in a dimly lit environment, it is easy to cause the stable door to close prematurely. We ask for your understanding.