The Wahl 9918-1416 Groomsman Rechargable Wireless Trimmer & Shaver has a adjustable cut height of 1-12mm. The width of the high quality self-sharpening blade is 30mm. The device can be battery operated or you can plug it in and use mains power, so it is perefct for use at home or whilst travelling. The handle has an ergonomic design and a pleasant soft covering, so that it is comfortable to hold. Included with your shaver, you will recieve 4 trimming combs along with equiptemt for cleaning and for lubrication.