The theme thermometer must have every man for himself to decide after reading much reviews / tests (what the whole thing better power) we chose for this thermometer. The first impression valent, easy to use, nice is also the holder / inclusion for the thermometer and a place for the first supplied Spitzen.Die first measurements we have made with us that was fine before having to measure. Although the thermometer from 0 months goes from the top but quite large for a 4-week-old child, the thermometer has a range for the age of the child and for the temperature of a traffic light function 0-3Monate red / green, red 3-36 months / yellow / green, 36-month red / yellow / green (Age Precision display) you have to choose every time but this does not really bother .The display is illuminated / nightlight. According to the manufacturer to get the correct position for measuring the thermometer indicated a "green light" and because I need it to exit. Why have we decided on this thermometer for this purpose there was 3 reasons the Age Precision display, the night light and the ExacTemp technology. I think we bought the right thermometer, we'll see .....