The most powerful, cordless clipper from Andis now features a removable battery pack. The Pulse ZR has 5-speeds (2,500-4,500 SPM), and weighs 16.5 ounces. The powerful Lithium-ion battery delivers a 3-hour run time on a 2-hour charge. Uses all normal Andis UltraEdge, CeramicEdge and UltraEdge Cat Blades. Kit comes with Clipper, Charging Stand and CeramicEdge #10 Blade.