Feature: 1. Timed Mode: The automatic chicken coop door controller combines timed mode with manual mode. The timed mode allows you to set the opening and closing time of the chicken coop door according to the season, direction, and the regular habits of your chickens. 2. Easy to Use: The controller is easy to program with its well marked buttons. It automatically opens in the morning and closes in the evening, saving time and effort. 3. Remote Control Distance: The controller can be remotely controlled within 50 meters, making it convenient and easy to use. Please note that the remote control distance may be affected by weather conditions and battery life. 4. Light Sensor Mode: The chicken coop door automatically opens at dawn and closes at dusk with its light sensor mode, providing a more natural and safe environment for your chickens. 5. High Definition LED Display: The clear and easy to use LED display enables you to program the controller easily and accurately. The controller can be powered by either an external power source or batteries, providing an easy to use backup during power outages. 6. Protects Your Poultry: The automatic chicken coop door controller provides a safe and sturdy solution for chickens and ducks of all sizes. It is a great and convenient accessory for your chicken coop that makes taking care of your poultry much easier and safer. Specification: Item Type: Automatic Chicken Coop Door Controller Material: ABS Weight: Approx. 938g/33.1oz Output: DC 9V 2A Product Size: Approx. 12.5x12.5x9cm/4.9x4.9x3.5in Control Function: Light sense, timing, remote control Waterproof Class: IP44 Battery Box (Not Included): AA battery x4 (battery box battery: rechargeable battery is recommended so that it can be reused and environmentally friendly) Note: The service life of ordinary AA batteries is about 9 months (depending on what brand of batteries customers use to measure the service time). Remote Control Battery: 1 x 27A12V battery (not included) Remote Control Installation Once Battery Life: 1 year Power Supply Mode: Choose either power supply or battery. It is not recommended to put the battery when using the power supply to avoid battery leakage after a long time. Whether to Automatically Save the Preset Time after Power Failure: No Applicable Object: Chicken, duck, goose. Package List: 1 x Automatic Chicken Coop Door Controller1 x Hexagonal Wrench 1 x Screwdriver 12 x Screw 1 x Flexible Ruler 1 x Specification 2 x Remote Control 4 x Wheel1 x Rope 1 x Power Adapter Note: 1. Do not mix the new battery with the old battery. Before inserting the battery, make sure the battery is inserted with the correct polarity (positive "+" and negative "‑"). The battery should be removed from the device and disposed of safely.2. If the device is idle for a long time, take out the battery. The power terminal must not be short circuited.3. In remote control, if the obstacle object is too large, it will affect the induction