Electronic thermometer for baby clinical thermometer:Age 3 type 1.5v common button cell Tclinical thermometeremperature range: 32.0°C--42.9°C. when measure temperatures below 32.0°C,it will display L°C, when measure temperatures above 42.9°C,it will display H°C. LCD display. Ag3 type 1.5v common button cell