... streamline outline design, portable, compact, lightweight 4.Operating menu with multi-language interface selection: English, Spanish, Portuguese, Chinese, French, ... 0.8-+0.8mV ST accuracy: +/-0.02mv √ ---Respiration Rate :( RALL impedance and nasal cavity) Measurement range: 0 - 120 ... 40 C -20 - 50 C Relative humidity =< 80% √----Pulse Rate :SPO2 measurement range: 0 - 100 % Resolution: 1 % Pulse ...