Using Lithium Ion technology, this cord/cordless trimmer will run up to 3x longer and produce up to 2x more torque compared to NI-MH/NI-CAD trimmers. With 2.5 hours total run time and only 2 perfect for your busy grooming shop. Trimmer includes a #40 fine quick- detachable T-blade. Manufactured in the USA! 1 year manufacturer warranty.