The Spin Spa Facial Brush has a spinning cleansing action that cleans, refreshes and revitalizes your skin. It's water resistant and battery powered. It provides pure deep cleansing. It will leave your skin smooth & refreshed. It includes 2 cleansing attachments. Each Spin Spa Facial Brush requires 1 AA battery (not included). The dimensions are: 2.52" W x 8.27" H x 5.5" D.