* Description: digital thermometer
* Application: digital thermometer, room thermometer, indoor outdoor thermometer
* Display size:68*54
* Time display
* Date display
* Indoor/outdoor temperature measure
* Set alert
* Max/Min temperature records
* On/off the LCD display
* Deg °C/°F swithcable
* Measuring temperature range:
   Indoor:0°C~50°C
   Outdoor: -40°C~70°C
* Display resolution:0.1°C
* Accuracy:±1 °C
* Operating voltage:3V
* To instead water countdown
* To sieve vindicate countdown