Features: 1. With light sensor: The chicken coop door has a light sensing mode, which automatically opens and closes at dawn, with automatic sensing. 2. Safe and sturdy: The automatic chicken coop door is safer and strong enough to resist predators and protect poultry. 3. Two types of power supply: The solar chicken door supports AA battery or energy-saving solar panel power supply, making it more convenient to use. 4. Applicable objects: The automatic chicken door is suitable for all sizes of chickens and ducks, bringing convenience to your poultry life. 5. Premium plastic material: The solar powered chicken door is made of high quality plastic material, safe and durable, lightweight and easy to use. Specification: Item Type: Automatic Chicken Coop Door Material: Plastic Applicable objects: chicken, duck, goose Product size: approx. 35x24.2cm/13.8x9.5in, after opening the chicken coop door: approx. 25x20cm/9.8x7.9in Host battery (comes without batteries): 3 AA dry batteries or LR06 alkaline batteries Solar panel battery (comes with built-in battery): 18650 model, lithium-ion battery, 1200 mAh Door power supply of Chicken Coop: AA batteries or solar panel power supply, one of them Control Function: Light Sensor Gross Weight: 773g/27.3oz Package List: 1 x Automatic Chicken Coop Door 9 x Screws 1 x Solar Panel 1 x solar panel accessory rod 1 x user manual Note: 1. Solar panel style random, screw more as gift. 2. Please allow errors due to manual measurement.