Product Dimension: 152 x 44 x 30mm, LCD Size: 31.4 x 30.2mm, Temperature measurement range: 32.0 degrees Celsius - 42.9 degrees Celsius, Body temperature measurement range: 32.0 degrees Celsius - 42,9 degrees Celsius, Temperature measurement range: 0 degrees Celsius - 100 degrees Celsius, Accuracy: Body Temperature: 0.2 degrees Celsius, object temperature: 1 degree Celsius, Operating conditions: 16 degrees Celsius - 35 degrees Celsius, Storage conditions: -20 degrees Celsius - 55 degrees Celsius, Measure time: 1s, Measuring mode: Ears, Forehead, Memory function: Memorable 20 measurement values, Battery: DC 1.5V 2*AAA Battery (not included), Sound reminder: yes, Automatic Power--off: yes, C/F Switch: yes, Advantages: Sound reminder, temperature alarm, temperature measurement memory, person/object switch, automatic shutdown, C/F switch, three-colour backlight reminder, forehead temperature/ear temperature one-key switch