air compressor, silent air compressor, oil-free air compressor, 1.ISO 9001 certificate 2. HIgh reliability 3. electricity Specifications:Model: HK-3EW-55Power: 1100W(1.5HP)Supply Voltage: 220V AC ,50 HZ (220V AC, 60HZ 110V AC, 60HZ)Air Displacement : 140L/minNoise: 53db Tank: 55LMax Pressure : 8bar Weight: 65kgs Dimension: 48x90x70cmFactory: