Widget displays the temperature of the device battery.

After calibration it can be used for measure surround temperature.
For calibration you need:
1. Turn off unused applications (to reduce power consumption, warming up the battery).
2. Leave the phone next to the thermometer for 10-15 minutes.
 3. Set the temperature calibration in the widget's settings, so that its temperature coincides with the thermometer.

To measure the temperature you need:
  1. Turn off unused applications (to reduce power consumption, warming up the battery).
  2. Leave the phone at the measurement site for 10-15 minutes.
To measure the air temperature, it is advisable to hang the phone in the shade at a distance of at least a meter from the surrounding objects.

Functions and features:
   - Temperature display in the status bar.
   - Blinking of the widget.
   - Changing the temperature update time.
   - Data collection and display of the temperature graph (every 5 minutes during the measurement the screen is highlighted, which increases the energy consumption)
   - Data export.