[Solar Chicken Door]: Automatic Chicken Coop Door has a built-in 2000mAh battery, which can not only be charged using the USB port, but also can be charged using solar energy. It does not pollute the environment and can be used for two months on a single charge. Note: It is recommended to install the solar panel in a place exposed to direct sunlight.[4 Switch Modes]: Solar chicken coop door has 4 switch modes, light sensor mode (open and close the door according to sunrise and sunset), manual switch mode (can open or close the door at any time), remote control mode (30-40m remote control), timer mode (independently set the time of automatic door opening and closing).[Intelligent anti-pinch function]: Automatic chicken coop door has an intelligent anti-pinch design. If the door hits an obstacle, it will return and close after 3 seconds. Whether the chicken is squeezed or not, the chicken door has a rebound function. Note: If the chicken stays under the door and does not come out, the door will continue to open after touching the chicken again and must be closed manually.[High-quality design]: Chicken Coop Door adopts roller shutter design, with low switching noise, durable aluminum alloy and ultra-strong plastic, durable, IP67 waterproof, resistant to a temperature range of -5 to 40 , no matter how extreme. in all weather.[Easy Installation]: Automatic Chicken Coop Door is easy to install. You can install it successfully according to the steps in the instruction manual. Note: The dirt on the rails and door panels should be cleaned regularly (it is recommended to clean it once a week), especially after rain or snow.