DC wall Fan 9 inch (22.86 cm) wall fan powered by a charger, solar panel, or battery which is not Included in the package.  Made from durable plastic, it offers corrosion resistance, durability, and an attractive finish. This grill ensures safety and enhances the overall aesthetic of the wall fan. The fan with a long battery backup feature provides extended operation without the need for a constant power supply. With a high-capacity battery, it offers a prolonged runtime, allowing you to enjoy the cooling breeze for an extended period, even during power outages or when away from electrical outlets.