About this item 
Rotary motor for heavy-duty use; Delivers power for removing weight and bulk. 
Convertible to cordless using the BGR+ battery pack and charger (sold separately). 
20% lighter, 10% smaller and 15% faster than traditional clippers. 
Works with all UltraEdge and CeramicEdge blades. Finish - matte 
Must oil blades before, during and after every use for optimal performance. Strokes per minute 2900 spm