To help simplify your shopping experience, we recently updated this product's packaging and name: The SensoTouch 2D 1150X/40 is now called Shaver 6100. During the transition, you may receive the product in either old or new packaging Gyroflex 2D contour-following system adjusts seamlessly to every curve of the face, minimizing pressure and irritation DualPrecision heads are equipped with slots to shave longer hairs and holes to shave even the shortest stubble For best results, replace shaving head every 12 months with RQ11/52 replacement head A great gift, the shaver's Aquatec Technology allows you to shave wet with gel or foam for extra skin protection or dry for convenience Philips Norelco 1150X/40 Shaver 6100