Electric diffusion without the need for refill pads! Simply open the lid and add Essential Oils to the heated, removable dish underneath. Close the lid for easy, safe operation. Diameter: 5" Height: 2". No refill pads required. Plugs into a wall outlet. Easy to use and affordable. Comes ready-to-go with three 1ml. vials of Aromaland's Essential Oil Blends: Relaxing, Energizing Mint, and Prana.