How to use a foldable food thermometer?

It happens to everyone: you spend hours roasting an expensive cut of meat (or agonizing minutes searing a fancy steak), only to over- or undercook it. That's why learning how to use a meat thermometer can be a life-changing, money-saving, and anxiety-reducing revelation. Plus, although it may seem allusively technical, the process couldn't be more simple! Before using a food thermometer, you shall know the its feature as below:

• Waterproof. It can survive from an accidental fall into water.
• A comfortable handle grip for better handling.
• Large Bright LCD with Backlit light which can be automatically turned off.
• Can be re-calibrated when needed.
• Switchable Fahrenheit and Celsius.
• Hold the temperature function to stop the display from changing the readout.
• Display resolution: 0.1°C.
• Measurement range: -50°C-300°C (-58°F-572°F).
• Measurement accuracy: ±1°C (±2°F) at -20°C-150°C (-4°F-302°F), ±2°C (±4°F) at 150.1°C-200°C (302.1°F-392°F), and ±3°C (±6°F) at 200.1°C-300°C (392.1°F-572°F).
• Strong internal magnet allows the thermometer to be attached to the metal surface.
• Hold temperature function to stop the display from changing the readout.
• Auto Shut-off after 10 minutes of inactivity.

Probe food thermometer operation:

1. Before using the thermometer, please peel off the protected film from the front panel.
2. To start the thermometer, unfold the probe and the LCD will display the temperature immediately.
3. Press the °C/°F button to light the screen. The default displaying units are Fahrenheit. If you like to read in Celsius, please long press the °C/°F button for 2 seconds.
4. Data-hold: before withdrawing from food, press the HOLD/CAL button, which will hold the temperature reading until pressing again.
5. To calibrate the temperature, please take a cup of ice-water from fridge, insert the probe into ice-water to touch the ice (make sure the probe touches the ice under water). When get the final temperature, hold down the HOLD/CAL button for 5 seconds. After 5 seconds, the display will flash "CALL" on the screen, then flash the digit. Then use the °C/°F button to increase the digit or use the HOLD/CAL button to decrease the digit unit you reach 0°C or 32°F. After several seconds the display will show again the reading.