Very nice and useable product to provide skin-friendly rounded tpis for smooth trimmer . its looks attractive . it is very easy to use. Its a cordless and battery back up is satisfactory after 6-8 hrs charging can use 5-6 time in a months. Its provide easy to select lenght 0.5 -10 mm . available at affordable coast . easly to clean with small brush . A best product with three year warrnty.