Series 9 Pro is efficient and gentle, whether it's a 1-day, 3-day or 7-day beard. The unique ProLift trimmer lifts and trims long, flat hair. 5-in-1 SmartCare Center keeps your razor hygienically clean and performing like new every day. It has five shaving elements. This is enough for most men's facial shaving needs. It also has a wet/dry function, which is a big plus, and is a relatively lightweight product, weighing just 2.14 pounds.