About this item Cordless Operation ? The power of a corded hair clipper with the convenience of a cordless; to use simply plug the clipper into charge and unplug when ready to use with cordless convenience Lithium Ion Power ? The Lithium Pro Hair Clipper features up to a two-hour runtime on a full charge, which means you can achieve multiple home haircuts on a single charge. Smart Charge Technology ? Smart display light indicates the battery status from solid green (fully charged), solid red (charging) and flashing red (low power). Self Sharpening Blades ? Featuring self-sharpening precision ground blades that cut through the thickest hair and stay sharper longer. Also included is the adjustable taper lever that adjusts the blade length to make it easier to blend and fade haircuts Attachment Guards ? Features 12 Snap-N-Lock hair clipper guards to achieve haircutting lengths from 1/16? to 1?. These hair clipper guards contain easy glide teeth for no-snag cutting and a secure attachment clip for worry. Wahl Quality ? Wahl Hair Clippers and Trimmers have been used in the professional barbering and salon industry for over 100 years; We?re the brand you can trust. Recommended Charge Cycle - To maximize the health life of the unit battery, charge the unit in full at least every 6 months