The Panasonic on the go hair/beard trimmer er2403k features ergonomic design, stainless steel blades, and five length adjustments via a pop-up head. This attached pop-up head means no longer having to worry about losing trimmer attachments. The trimmer is ideal for quick touch-ups between trips to the barber and styling today's casual beard alternatives. The slim design stores easily in a dobb kit or glove compartment so it's ready to go when you are. Fully immersible this groomer can be taken in the shower and rinses clean. Operated by two AAA batteries. (Not included).