Philips Hair Clipper HC3505/15 Series 3000 – Corded Beard & Hair Trimmer with DualCut Technology & 13 Length SettingsModel HC3505 15 Series Philips Series 3000 Product Type Hair Clipper Beard Trimmer Blade Technology DualCut Technology self sharpening stainless steel blades Cutting Length Range 0. 5 mm to 23 mm Length Settings 13 adjustable settings Adjustment Steps 2 mm increments Power Source Corded (mains powered) Cable Length Approx. 1. 8 m Blade Maintenance No oiling required, washable detachable head Cleaning Removable & washable blades Accessories Adjustable