The Panasonic Arc 4 men's electric razor system, with four ultra-sharp Arc4 Nanotech blades for quick, clean wet dry shaver comfort and convenienceUltra-thin, stainless-steel Multi-fit Arc4 foil conforms gently to facial contours for outstanding shaving machine closeness and resultsFlexible pivoting Panasonic Arc 4 electric razor shaving head glides effortlessly over face, chin, neck and jawA high-performance Arc4 linear motor drive delivers 13,000 cuts per minute and maintains peak power up to the end of every battery charge for consistently close and even electric razor shavingPanasonic ES8243A is 100% waterproof for convenient wet dry shaver convenience, shave dry anytime or in the shower, includes a 10-stage LCD to show razor status , pop-up trimmer and sonic vibration mode for quick, easy cleanup