Item Type: Automatic Chicken Coop Door Controller_x000D_Material: ABS_x000D_Weight: Approx. 938g/33. 1oz_x000D_Input: AC 100 to 240V, 50Hz 60Hz_x000D_Output: DC 9V 2A_x000D_Product Size: Approx. 12. 5x12. 5x9cm/4. 9x4. 9x3. 5in_x000D_Voltage: 100 to 240V_x000D_Control Function: Light sense, timing, remote control_x000D_Waterproof Class: IP44_x000D_Battery Box (Not Included): AA battery x4 (battery box battery: rechargeable battery is recommended so that it can be reused and environmentally friendly)_x000D_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). _x000D_Remote Control Battery: 1 x 27A12V battery (not included)_x000D_Remote Control Installation Once Battery Life: 1 year_x000D_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. _x000D_Whether to Automatically Save the Preset Time after Power Failure: No_x000D_Applicable Object: Chicken, duck, goose 1Timed 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. 2Easy 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. 3Remote 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. 4Light 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. 5High 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. 6Protects 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.