Panasonic Portable Oral Irrigator Model EW-DJ11 Battery-powered for on-the-go oral care. Maintain oral hygiene even while traveling with this portable oral irrigator. •This portable oral irrigator effectively washes away food debris lodged between teeth, in the oral cavity, and around orthodontic appliances using a water jet. The device is convenient to use anytime, anywhere, as it is battery-operated. Its design fits comfortably in the palm, making it easy to store and carry, so you can conveniently take care of your dental health wherever you go. •Compact size for easy portability and storage. Comfortable grip and easy to use. Main Unit Dimensions (H (with nozzle) × W × D) 234(309)×52×57 mm. Weight approx. 210 g (without batteries). •Features a nozzle storage compartment on the side of the main unit for hygiene and to prevent loss. •Even if you think you've brushed thoroughly, food particles can still remain after cleaning with a toothbrush. The oral irrigator can remove food debris even in hard-to-reach areas between teeth that toothbrushes struggle with. •Water flows gently from the nozzle tip to reduce friction between the tongue and the brush, thus helping to minimize damage from brushing. •The combination of a water jet system and a built-in brush head helps to remove food debris from braces. •Suitable for use with orthodontic appliances. Washes away food debris in hard-to-reach areas such as between teeth and around braces.