The Wahl Cordless Detailer Li has a close cutting extra-wide T-Shaped blade that enables straighter shape-ups and produce faster cutting results than a standard trimmer blade. The blades adjust to zero-overlap for super close trimming, outlines and accurate detail work. The revolutionary Lithium Ion battery technology is lightweight and powerful, providing up to 100 minutes of cordless trimming from just a 45 minute charge, If the battery runs low during use, use on the cord for continuous power. The Wahl Detailer’s lightweight and stylish design provides you with balance and control when outlining. The space saving charging stand is weighted and easily grips any surface for secure charging. The LED light clearly indicates this compact trimmer's power level. This item includes a 1 year warranty as standard