The Andis Super AGR+ is a powerful, cordless detachable blade clipper designed for all day heavy duty use. Equipped with a 4 x 4 blade drive for 25% more blade torque, this unit runs at 3,800 strokes per minute. The clipper has a high capacity battery pack that runs continuously for one hour. The battery recharges in the Sensa-Charge charging system in less than one hour. The refresh mode recharges and conditions the battery to maximum performance overnight. The AGR+ has the versatility of a corded clipper when used with the AGRC cord pack (sold separately). This detachable blade unit comes equipped with a CeramicEdge Size 10 Blade. The unit is also compatible with all UltraEdge and CeramicEdge blades (sold separately) - the largest selection in the industry, and most other detachable type blades. Designed and engineered in the United States, Andis also offers a complete line of quality clippers and trimmers for animal grooming as well as a full line of wall mounted hair dryers for the hotel industry. Andis warrants its products to the original purchaser against defective material or workmanship for one year from the date of purchase.