Easy to use: Automatically turns on in the morning and automatically turns off 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 (package not included) Plug and Play Technology: The doors can be installed in less than 10 minutes (no complicated wiring or wiring required). Works in extreme weather conditions: IP44 waterproof One-piece design: solid PP plastic and slider. Premium powder-coated paint (for outdoor environments). Note: This product is an upgraded version, made of reinforced PP plastic. The purpose is to facilitate the entry and exit of small animals and reduce the burden of pulling the brakes! The second is energy saving and longer service life.