6.4 inch multi-function patient monitor 1, ECG, RESP, NIBP, SpO2, TEMP, HR 2, CE certificate ... , 50mm/sEnvironment RequirementOperating: Temperature 5-40°C, Humidity≤80%Storage: Temperature -20-55°C, Humidity≤93%Power SupplyExternal Power Supply: 100-250V ... , 12.1 inch and 15 inch. 6.4 inch Patient Monitor GT9003