Feature: 1. Plastic Material: Made of plastic material, safe and durable, light weight, easy to use, not easy to lose paint, no need to worry about rust and other problems. Suitable for all chickens and ducks of the right size. As a prime chicken coop accessory, it brings convenience to the life of your chickens, ducks and other poultry. 2. 3 in 1: 3 in 1 fully automatic chicken coop door with light sensing, timing and remote control, barrier free control distance up to 16 meters. The chicken coop door opens automatically at dawn with auto sensing. Timer mode both can be set manually to open the door and close the door according to the season, direction, and the regular entry and exit time of the captive chickens, so as to achieve the effect of convenience and high efficiency. 3. LED Display: In addition timed chicken coop door is equipped with HD LED display controller, through the button to make the time setting up clear and easy, through the display can clearly see the specific time to open and close the chicken coop door. 4. Easy to Use: Easy to program the buttons. Automatically turns on in the morning and off at night. The controller of the fully automatic timed chicken coop door can be powered by battery or USB cable two options. 5. Poultry Protection: This automatic chicken coop door is safer and stronger enough to ward off predators and keep poultry safe. Specification: Item Type: Automatic Chicken Coop Door Weight: 1067g / 37.6oz Applicable Objects: Chicken, Duck, Goose Chicken Coop Door Size: Approx. 34.5x29cm / 13.6x11.4in Opening Door Size: Approx. 27x20cm / 10.6x7.9in Chicken Coop Door Battery (without battery delivery): AA dry batteries or LR06 alkaline type batteries x 3 Remote Control Battery (without battery delivery): 1 x button cell, CR2025 model Host Power Supply: Battery or USB cable, choose one way USB Voltage: 5V Control Function: Light Sensor, Timing, Remote Control Material: Plastic . Package List: 1 x Chicken Coop Door8 x Screws1 x Screwdriver1 x Instruction Manual1 x USB Cable1 x Remote Control Note: 1. Never use rechargeable batteries in the device. 2. Do not mix new and used batteries. Always ensure that the battery is inserted with the correct polarity (positive "+" and negative "‑") before inserting it. Batteries should be removed from the device and disposed of safely. 3. Remove the batteries if the unit is left unused for an extended period of time. The power terminals must not be short circuited. 4. In the remote control remote control, the obstacle object is too large in the case will affect the sensing. 5. Light sensing must be this natural light during the day to sense, light sensing can only open the door, because light sensing is easy to close the door too early to affect the chickens into the house, so closed door can only be operated on a timed function.