Ceramic Blade - The ceramic blades are precision ground for superior performance. They are made from high quality materials and stay sharp for longer. The fine teeth on the blades result in a finer quality cut. Wet and Dry - This trimmer is versatile and can be used in both wet and dry conditions. It is also compatible with shaving gel or foam. In addition, it is 100% water resistant , making it easy to maintain and hygienic as it can be rinsed under running water. 8 Color Combs Included - The trimmer has 8 color-coded guide combs. Each color represents a different length. The code on the front of the trimmer shows which length each color represents. This helps you remember your preferred trimming length. LED Display and Long Lasting Battery - The trimmer has a long run time of up to 180 minutes per charge. It also has a smart LED display that shows the battery percentage. This helps you know how much battery you have left and ensures that you have enough power for all your trimming needs. Speed Adjustment: The trimmer has two speed modes, standard and turbo, to suit most hair textures. Precision Cutting Position Adjustment: The trimmer has 5 precision cutting positions (0.8mm, 1.1mm, 1.4mm, 1.7mm, and 2mm) for a wider variety of beard/hair styles and lengths.