Volt. & Freq.: 110V,230V,50/60Hz Input Power: 500w No-load Speed: 28000 RPM Net Weight : 3.3Kg Accessory: 1pc wrench,1set carbon brush,1pc instruction manual,1pc 3/16"pioted down spiral cutout bit,1/4"shank,1pc 1/8"pioted down spiral cutout bit,1/8"shank,1pc non-piloted cutoutbit,1/8"shank,1pc1/4"collet,1pc 1/8"collet,1pc circle cuttong guide