The Panasonic ES8109S511 is a high performance triple blade shaver with automatic cleaning system, incorporating leading edge technologies to give superior results every time. Panasonic's pro curve shaver has six unique features to give a gentle on the skin, clean, smooth shave; the world's sharpest blades for the cleanest cut; revolutionary multi-arc foils that fit uniformly against the skin; super flexible pivoting head that rocks up and down to a maximum of 8 mm, and rocks side to side up to 14 degrees following the contours of your face for a smooth and comfortable shave; optimum 30° nano technology blades sharpened using Nano particle technology to achieve an extremely fine blade tip edge of 0.3 microns reducing cutting resistance by half; patented linear motor technology featuring the world's fastest 13,000rpm; designed to maintain shaving power and performance when shaving tough whiskers for a faster, smoother shave until the very last seconds of charge.