Highly efficient and long-lasting lithium-ion battery, ideal for continuous use in the salon. With a five-minute charge, the average usage time is 14 minutes. Powerful: Lightweight, cordless design for comfortable handling combined with the usual powerful cutting performance of the Wahl Detailer with cord. Exact: For extremely close contours, details and precise, clear lines. T-Blade: Zero overlap "0" for extremely short cutting length possible. For a faster and more efficient cut. For detailed work in hard-to-reach areas such as the face, neck and around the ears.