Philips Norelco Shaver 4100 (Model # AT810/41) Comfortable shaving, wet or dry DualPrecision for short or long hair Lifts hair for a closer shave, cutting comfortably below skin level Pop-up trimmer for sideburns and more Up to 17 days of cordless use Washable and easy to clean Highly durable blades - replace heads every 12 months