Specification:Temperature Range: 32°C - 42°C/89.6°F - 107.6°FMeasuring Times: 3minutesAccuracy:±0.1°C/0.2°FPowered by: 1 x Button Battery (included)Size: 57mm X 42mmNet weight: 25gTemperature Showing:Liquid crystal Number showing.Note: The button may be a little different from the picture, but the function is the quite the same.Press power switch to turn on unit.Position Nipple in mouth. Wait for beeper sound(for beeper type only).Read temperature.Press power switchto turn off unit.Auto shut-off function after usage.Package:1 X Baby Thermometer