The blades offer adjustment to zero-overlap for super close trimming, outlines and accurate detail work. The incorporated revolutionary Lithium Ion Battery technology is lightweight and powerful! Key Features. T-Wide Blade: The 38mm T-Blade cuts close at 0.4mm and can be adjusted to zero-overlap for an even closer trim! Battery: The most powerful trimmer in our range, the Detailer Li has a Lithium Ion Battery to bring you 100 minutes cordless run time off just a 45 minute charge. Motor: An extremely powerful rotary motor produces a faster cutting result than standard trimmers. Perfect for super close trimming, outlining, art work and accurate detail work.