Strong internal magnet allows the thermometer to be stuck on metal surface.
Hold temperature function to stop the display from changing the readout.
The LCD will display low battery icon when the power is low.
The unit is powered by 3.7V rechargeable battery.
Auto Shut-off after 10 minutes of inactivity if the measured temperature is below 50 degrees celsius and the changed temperature is within 3 degrees celsius.
User can reset the device to the factory default settings if error happens.