The Pura Plus Smart Fragrance Diffuser is a large, white, corded electric diffuser designed for use in offices and homes. With a capacity of 1 ounce and a coverage area of 2000 square feet, this diffuser can last for up to 100 hours with its automatic fragrance vial refill. Made of plastic, it features LED lights and an auto shutoff function for added convenience. The Pura Plus model, manufactured by Pura, offers a smart fragrance experience in a sleek and modern design.