Production Voltage: 230V 50HZ/110V 60HZ Unit Dimension: 43 30 57cm Air Flow: 130L/min Max Pressure: 0.8Mpa Noise: 40dB Production Feature 1. It has the advantages of attractive appearance, small size, lower noise, lightweight and easy operation. 2. All functions are contained in one small moveable case, it is your best choice for outdoor service.