Features 1. WITH LIGHT SENSOR: The chicken coop door features a light sensing mode that automatically opens and closes at dawn or dusk with automatic sensing. 2. SAFE AND STURDY: The automatic chicken coop door is safe 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's life. 5. PREMIUM PLASTIC MATERIALS: The solar-powered chicken door is made of premium 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 The Chicken Coop Door Open: Approx. 25x20cm / 9.8x7.9in Host Battery (Shipped Without Batteries): 3 x AA Dry Cell or LR06 Alkaline Type Batteries Solar Panel Battery (Shipped With Built-In Battery): 18650 Model Lithium Ion Battery 1200MAH Chicken Coop Door Power Supply: AA Batteries or Solar Panel Power Supply (Either One of Two) 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 Instruction Manual Note 1. Solar panel style may vary. Extra screws are included as a gift. 2. Please allow some error due to manual measurement.