This Aimco AE-4520 Electric Torque Screwdriver with AE-2045DPS Dual Power Supply is in used condition, has been tested and is guaranteed to be fully functional. This item came from a local lab that had surplus equipment and shows some aesthetic signs of normal use. We urge customers to view all photos as they show overall condition, included accessories and functionality. Sale of unit comes with a 30-day money back guarantee return policy. Please feel free to contact us with any questions. Aimco Electric Torque Screwdriver, Low Voltage, Lever Start, 1.3 to 8.2 in-lb, 720 RPM Forward, Reverse These ergonomically designed drivers feature a lightweight, compact housing which ensures operator comfort. Automatic shut-off clutch ensures accurate fastening, while low rotation type motor ensures comfortable grip temperature and extended motor life. Desired torque can be increased or decreased quickly and easily by turning external adjustment ring. The Electra? Series is a low voltage, lever start model rwith an external power supply. It features an easy-to-replace external brushes, include a 1/4" hex bit-shank, and is UL listed and CE certified to meet electrical safety standards in both the U.S. and Europe. Power Supply, Dual, for Aimco Electra Torque Driver's AE-4520, AE-2045DPS Specifications: Voltage Conversion: 110V AC / 35V AC Tool RPM: 500 or 720 (Switchable) Dimensions: 4.6" x 3.7" x 7.8" (117 x 94 x 198mm)