In / Out Thermometer

Description:
Thermometer for in/out temperature
-calendar
-12h clock
-in out temperature measurement
-measuring range and accuracy as following:
-40c~10c+/-1c,10c~80c+/-0.5c,80c~100c+/-1c

- alert on or off.
- c/f change to display
- 5-30m probe cable, in or out temperature accuracy can be affected long cables.