compressor,air compressor, oilless air compressor, oil-free air compressor, medical equipment ,dental compressor for dental unit Model: HK-10EW-180Power: 4200W(6HP)Supply Voltage: 220V AC ,50 HZ (220V AC, 60HZ 110V AC, 60HZ)Air Displacement : 500L/minNoise: 70db Tank: 180LMax Pressure : 8bar Weight: 135kgs