Easy to use: turns on automatically in the morning and turns off automatically in the evening.You can use the built-in light sensor Uses 3 AA batteries and can be replaced in 3 minutes without a solar panel (packaging not included) Plug and Play Technology: Doors can be installed in less than 10 minutes (no complicated wiring or wiring required).Works in extreme weather conditions: waterproof IP44 One-piece design: solid PP plastic and slider.Premium quality powder coated paint (for outdoor environments). Note: This product is an upgraded version, made of reinforced PP plastic.The goal is to make it easier for small animals to enter and exit and reduce the burden of pulling the brakes!The second is energy saving and longer lifespan.