This hair clipper has an extra accurate quick-dial that allows adjustment at a cutting length interval of 1 mm up to 18 mm. At its shortest, hairs can be cut to 0.5 mm.The high-precision blades are sharpened to 45° knife edge and a high motor power provides maximised cutting performance of up to 30,000 hairs/ sec.As it is AC/rechargeable with up to 40 minutes cordless usage, the ER1411 is convenient and easy to handle, while the lightweight design makes it as portable as it is durable.This versatile clipper has six cutting lengths included in only three comb attachments (3 mm and 6 mm, 9 mm and 12 mm, and 15 mm and 18 mm), which means greater portability space-saving.