Specifications: Nominal voltage: 230v~50 Hz. No load speed: 7500rpm. Vibration level: 2.8m/s2. Sound power level: 92.2dBA. Sound pressure level: 81.2dBA. Power cord length: 1.5m. Supplied with with 1.5m cable and integral hanging loop. Includes 2 tips and template for letters and numbers. 商品货号：OSA2799800K