Gas Source: O2;  O2&Air or O2&N2O (Option);                          

Gas Source Pressure Gauge: O2; O2&Air or O2&N2O(Option); 

Security Valve: release pressure less than 10 kpa;

Two-Tube Flowmeter: 0～1L/min, 1.1L/min～10L/min;

O2 Flush: 35L/min～75L/min;

One Key Switch: Switch between rebreath and Non-Rebreath;

ACGO Port: Non-Rebreath, with an alone airway pressure gauge;

Selectatec Mounting Bar: Single place 

Vaporizer: Isoflurane/Halothane/Sevoflurane;

Respiration System/CO2 Circle Absorber/Rebreath:

Soda Lime Chamber: 0.8L;                                              

Pop Off Vlave: with one key to close; 

Airway Pressure Gauge:-20cmH2O-100cmH2O;                                                        

Option for below:                                                                                                               

APL valve: 0.19～6kPa;                                                                      

O2&N2O Linkage Device: make insure O2 concentration is not lower than 25%;                                                                                                              

O2 Lost Alarm: Sound alarm, Alimumun cylinder with whistle;

N2O cut off valve protection: when O2 is lost, N2O will be cut off.