1High safety, passive infrared receiving technology, zero radiation.Non - contact measurement of forehead temperature to avoid cross - infection. 2High precision, using advanced infrared temperature sensing devices, high sensitivity; with temperature correction program, accurate calculation, measurement results reflect the real body temperature. 3The forehead temperature is suitable for all kinds of people, the ear temperature model is only applicable to people over 3 months old. 4Easy to operate, the body is ergonomically designed, one key measurement, automatic temperature measurement. It doesn't interfere with daily life and can be measured while the child is asleep. 5Pratical functions, it has fever voice prompt function, Celsius/Fahrenheit unit conversion, automatic shutdown function, low power consumption.Item Type: Forehead TemperatureProduct Material: ABSDisplay Range: 32-42Operating environment: 10-40/50-104ofAutomatic shutdown function: YesBattery model: 1.5V battery (2AAA)Display Size: Approx.20*35mm/0.8x1.4in1xForehead Temperature1x English ManualThere is a slight difference in color and appearance, but functionality is guaranteed.