1).Piston type, oil free. 2).It can start with pressure. continue working 3). Auto ... Mini Air Compressor (oil-free)Model AS16-2Brand HSENG Features1).Piston type, oil free. 2).It can start with pressure. continue ... (43.5PSI) Air output: 13-15L/min.Net weight: 2.1kgDimensions: 160x 78x 158 mmSuitable for airbrush 0.2mm to ... cm): 63.5x23x35.5CertificateCE, GS, ROHS, ETL, CETL airbrush tattoo AS16-2