Dental air compressor,including 1.5W,2.0W,3.0W,4.0W Noiceless ,oilless,air compressor Supply Voltage: 220V±10%Supply frequency:50±1HZPower:1100WAir production capacity(in 0.4Mpa):130L/minMaximum air production capacity:150L/minON/OFF pressure:0.55/0.75MpaNoise:56~60dBAir container volume:45LRemarks:one for three unit