An integrated respiratory anesthesia design, balancing aesthetics and functionality, meeting the ventilation and anesthesia needs of animals while saving space. The R660 is committed to leading a new experience in animal anesthesia. It is suitable for the clinical anesthesia of dogs, cats, pigs, monkeys, rodents, reptiles, birds, and others. The R660-Pro is the model equipped with a carbon dioxide (EtCO2) level measurement function and remote inhalation control function.