The Serene House Macaron Diffuser brings you an elegant way to fill your living space with the scents you love. With a tank capacity of 250ml, the Macaron Diffuser is ideal for spaces up to 300 square feet and can run 13 hours continuously or up to 26 hours intermittently. Beautiful and simple to use, this woodgrain diffuser has an automatic shut-off feature, making it safe to use even through the night.