EINHELL TE-RS Power X-Change 18-Volt Cordless 5-Inch 22,000-OPM Max Variable Speed Random Orbital Palm Sander w/ Dust Collection Box, Dust Extraction Adapter, Electronic Speed Control, Kit (w/ 3.0-Ah Battery + Fast Charger)The Einhell rotating sander TE RS 18 Li provides the user with cordless and independent flexibility for work in the home, garage and work shed. The cordless rotating sander is a member of the Power X Change series. The high grade, lithium ion batteries can be used for all members of the Power X Change family. TE RS 18 Li adjusts to work with soft or hard materials from wood, to metal, to stone providing high precision finish and high sanding