Temperature measurement range: 32.0 - 42.9 degree Celsius. The thermometer will show "Lo" when the measured temperature is below 32.0 degree Celsius， and show "HI" when the measured temperature is above 42.9 degree Celsius. Temperature measure accuracy: +/- 0.1 degree Celsius (between 34.0 - 42.0 degree Celsius) *When measured in a room with a temperature from 18 to 28 degree Celsius. Temperature indication: Shows 3 digits and a "C" on the digital display / Unit: 0.1 degree Celsius / Finish alert: it will ring when the temperature rises at lower rate than 0.1 degree Celsius/32 seconds. Reading storage: It will store the last measured temperature. Protection from electric shocks: Internally powered equipment Type BF (according to JIS T 0601-1-5) Temperature sensor: Thermistor / Power Source: 1 LR41 Alkaline Battery (DC1.5V) Working temperature condition: 10~40 degree Celsius Temperature and humidity for storage: -20~60 degree Celsius， 30~95%RH Weight: Approx. 32g (Batteries and case are included) Battery life: Approx. 2 years (When it's used for 10 mins. per day using a new battery) Product size: H: 16.5 W: 2.2 D: 2.1cm / Package size: H: 18.5 W: 8 D: 2.3cm Materials: Thermometer: ABS， Tips: TPE， Display: Acrylic， Sensor: SUS304 Stainless steel *This product complies to medical laws. * This product "Doctor Yellow" is granted its commercialization by JR.