6.4 inch multi-function patient monitor 1, ECG, RESP, NIBP, SpO2, TEMP, HR 2, CE ... /s, 25mm/s, 50mm/sEnvironment RequirementOperating: Temperature 5-40°C, Humidity≤80%Storage: Temperature -20-55°C, Humidity≤93%Power SupplyExternal ... : -40°C to 70°CAutomatic Offset Calibration: Time and temperature based, as well as on-demandInput Voltage: 5.00 Volts ... .1 inch and 15 inch. 6.4 inch Patient Monitor GT9003