The 6 Inch round Wall Vent Cap is a 304 stainless steel air vent with a hemispherical grille design. It does not require batteries and comes in a sleek black color with a product dimension of 7.8 x 7.3 x 4.9 inches. This vent cap is included with a mitten component and weighs 1.01 pounds, making it a durable and efficient addition to your home improvement needs for heating, cooling, and air systems. Made in China, this product is designed to provide a stylish and functional solution for your ventilation needs.