The EcoScent Ariel is our wall-mounted Scent System powered by a battery or USB plug. This system covers up to 100 cubic metres and features advanced diffusion technology that converts liquid fragrance into a fine, dry mist, releasing it directly into your environment. The EcoScent Ariel is operated via an LCD programmable timer. Designed to maximise the efficiency of scent delivery, the EcoScent Ariel covers your small-sized area with more intensity using fragrance oil. Not recommended for residential use in high-traffic areas such as living rooms. More suited for bathrooms and other small commercial areas. For small commercial areas - toilets, internal corridors, store rooms, changing rooms, shower rooms, stairwells. This compact scent system simply uses dry-air technology that releases fragrance without sprays or aerosols. Depending on the model selected, there are adjustable duration and intensity settings via LCD display, making it easy for you to customise the scent output for your environment Coverage is up to 100 cubic metres. This scent machine has a built-in fan to disperse the scent, so a slight fan noise will be heard when the unit is in operation.