... Source0.3-0 .8 Mpa (industrial gas source or compressor air source)Temperature-20 °C - 55 °CRelative Humidity25 °C ... SupplyAC220v ± 10%, 50 Hz ± 1%PowerP ≤ 1000WTotal Weight45KgOverall Dimensions Working system: (W × H × D) 320 mm × 760 mm × 420mmNeedle ... Application:mark on car or motorcycle body, frame, chassis, connecting rod, engine, cylinder, and various mechanical parts, machine tools, hardware, ...