A car scent diffuser using essential oil with a ceramic disc. Apply 4-6 drops of essential oil on each side of the ceramic tablet (included) at first use then insert into the thermal heat plate under the stainless steel cover. The heat accelerates the diffusion of the essential oil to scent your car. Each disc lasts approximately up to 1 month with regular use; apply additional drops of essential oil to the ceramic disc when the scent has faded Set includes 2 ceramic discs and one 5ml bottle of Serene House essential oil. Replacement discs sold separately. Powered by a 12V plug, included. Adjustable angle to fit all car consoles.