This TP101 electronic Digital Food thermometer is made in pen-type structure for convenient and portable use and made of stainless steel probe which is safer and more durable. Specifically you can notice that there is four buttons on this Food thermometer which are in functions of switching ON/OFF, switching C/F degree, Holding certain temperature and displaying MAX/MIN temperature. In detail, when you press it will be locked then lock will be removed when you press it again. And when you press the button of displaying MAX/MIN temperature, it will show the previous maximum temperature and show  previous minimum temperature. Button Function description: ON/OFF: switch function C/F: Celsius/Fahrenheit conversion HOLD: Temperature lock function, press this button, the temperature is locked, then press the lock function to remove. MAX/MIN: high temperature and low-temperature memory. Press the button to display the previous high temperature, then press the button to display the previous low temperature, then press the button to restore the temperature measuring state. Specifications Weight: 0.1kg/ pcs Measuring temperature range: -50℃~+300℃ （-58℉~+572℉) Resolution:0.1℃ Accuracy: ±1℃(-20℃～+80℃), ±2℃ Whole length: 225mm Net length probe: 145mm Display Size: 21mm×8mm For further details and additional products, feel free to visit IndiaMART or Uniglobal Business.