15 inch touch screen Air/O2/N2O gas source. 2 vaporizers. Modes: VCV, SIMV-V, SIMV-P, MANUAL, A/C, PCV, PSV, STAND-BY, PA-VC(optional). VT: 10-1500mL. Pressure/Flow trigger. Electronic flow meter. Waveforms/loops zoom in/out, freeze, compare. Event logging function. Head light; ACGO. Altitude compensation function. YOKE for N2O/O2.