Dingling RF 608 With ClipperDurable and sharp adjustable razor high performance rechargeable battery built in micro processor, users can now regulate the speed of the clipper precise steel blade which ensures constant and precise cutting cordless connection makes it easy to use this device battery is highly efficient and can be charged in very little time two cutting speeds three options of the cutting length (0. 5mm, 1. 5mm, 2. 5mm) Batteries 1 Lithium ion batteries required.