Specifications: Voltage: 110v or 220v. Power: 150w. Speed: 5500 rpm. Tungsten Steel drill : D12×H30mm. Size: 25×21×30. Weight:5KG. Features: -High speed motor. -Easy to use and clean. -Voltage: 220V or 110V (optional). -Rotation speed: 4500-5000rpm. Technical data: Electrical power:110V/60HZ,160W (220V/50HZ,160W). Rotation speed:15000rpm. Drill bit diameter:Φ3*Φ1.85、Φ3*Φ1.95. Total machine dimensions:160*160*330mm