Nominal voltage: 220V AC Period: 50 ~ 60Hz Liquid collection volume: 0.5 ~ 3.2 mm Power: 180W Speed: 8000 to 30 000 / min Foret type: Mini Forest Features: Polishing, trimming, engraving, cutting, drilling, marking, drawing. Application: Stainless steel, porcelain, stone, glass, plastic, wood, aluminum gifts, bracelets, etc. Characteristics: 1. Light, precise, silent and stable operation. 2. Portable and easy to use. 3. Scope: Jade / Stone / Glass / Wood / Computer Case / Printed Circuit Board / PC Hardware Drilling. 4. It can also be used to stamp thin copper plates, aluminum plates, wood, plastic plates, wood fiber panels, printed circuit boards and epoxy cards. Abrasive materials include: (1) Cut Type: High speed resin cutting sand sheet, cutting sand sheet with fabric net, emery cutting sheet (2 ) Categories of grinding: various special ceramic grinding heads, sand rings, sand drums and stem grinding wheels (3) Polishing category: Wool felt wheel, felt coin, Small fabric wheel, steel wire brush, copper wire brush (polishing dough for various purposes) Please allow a slight deviation in the measurement data and make sure that does not You do not bother before ordering. High quality store for you