I have gone through 2 others and they read incorrectly. This thing reads forehead properly. It somehow adjusts for the cooler skin and reads very close to an oral thermometer. The number of buttons is not really nonsensical. It does say it can read surface temp, when you sent it, but small range of 0 to 100 c which is not useful for cooking or anything. so it's a keeper for what it's main use is, a forehead thermometer.