[. . . ] · 180° rotating head for 100% reach · Precision trimmer attachment for finishing and side burns · Quick Charge Power System: 1hr/60 minutes cordless use · Fully washable for easy cleaning · Includes a hand-held mirror for full visibility · A wide range of length settings from 1 to 30 mm · Adjustable zoom ring for easy length settings · Contour-following combs for speed and comfort · Skin-friendly blades and combs are gentle on skin · Corded and cordless use · Battery charging, full and low indication · Self-sharpening blades · Lubrication for life QC-5550 Do it yourself hair clipper QC-5550/15 180° rotating head corded and cordless Highlights 180° rotating head 100% Washable settings are clearly visible on the side of the combs. [. . . ] 2D Contour-following comb Makes trimming or shaving your own head easier than ever. Simply select the right angle to comfortably reach all parts of your head without help. Precision trimmer Conveniently washes under the tap for a thorough clean. Corded and cordless use The lithium-Ion battery is fully charged in one hour and provides constant power for up to 60 minutes of cordless use. Cut your own hair easily and accurately, using the precision comb for lengths between 1 and 3 mm, the standard comb for 3 to 15 mm or the big comb for 15 to 30 mm. Adjustable zoom ring For flexibility and convenience the headgroom can be used with or without the power cord. Easily select and set your desired hair length by turning the integrated zoom ring. The length Do it yourself hair clipper QC-5550/15 180° rotating head corded and cordless Specifications Cutting system · · · · · · · · · · · · · · · Cutter width: 41 mm Number of length settings: 18 Range of length settings: from 1 to 30 mm Precision (size of steps): by 2 mm Cutting element: Stainless steel blades Comb type: Contour following Big comb (15 to 30 mm) Small comb (3 to 15 mm) Precision comb (1 to 3 mm) Precision trimmer Zoomring Maintenance free - No Oil need Display: Charging indicator Cleans under the tap Adjustable guide combs Power system · · · · Battery type: Li-Ion Charging time: 1 hour Running time: 60 minutes Usage: Corded/cordless Design · Shape: Ergonomic Accessories · · · · Ease of use Cleaning brush Precision trimmer Mirror 3 guide combs Service · · 2-year worldwide guarantee Issue date 2011-05-20 Version: 15. 4. 1 © 2011 Koninklijke Philips Electronics N. V. [. . . ] Adjustable zoom ring For flexibility and convenience the headgroom can be used with or without the power cord. Easily select and set your desired hair length by turning the integrated zoom ring. [. . . ]