PRODUCT DESCRIPTION: The Wahl Cordless Senior Clipper - Equipped with the most powerful engine among all Wahl's wireless hair clippers and generates a higher cutting speed and cutting capacity of 6,500rpm. Combined with the Stagger Tooth technology and cuts even the thickest Wahl Cordless Detailer Li Trimmer - Create the ultimate sharp outlines and shape-ups with the professional Wahl Cordless Detailer Li. Revolutionary Lithium Ion Battery technology provides up to 100 minutes run time from a 45 minute charge with a handy LED light to indicate power level. Lightweight and stylish, the Cordless Detailer Li Trimmer uses extra-wide T-shaped blades for fast cutting results which can be adjusted to zero overlap to deliver even closer trimming, outlines and accurate detailing.