Oilless Dental Air Compressor Motor Technical details Rated voltage: 220V/110V;50HZ/60HZ Power input: 550W Rated speed: ≥1400/1680 Temperature: 5~40°C Working pressure: 800Kpa(115PSI) Volumetric flow: 3.7CFM(105L/min) Again starting pressure: 0Kpa(OPSI) Noise:62dB Weight: 9Kg Insulation grade: B Hot protector: 135±5°C(Automatic reset) L*W*H(CM): 271*130*185mm