Product ID: DTM-315 
Digital Thermometer Single Input + Timer 
Features :
 -200 °C ~ 1,370°C (-328 °F ~ 2498 °F).
 4 digit LCD display Timer function
 K-type thermocouple 
Reading hold 
°C of °F annunciators 
Single thermocouple input M
AX. AVG. MIN. Function 
Auto power off HOLD, △REL function 
Automatic low battery indication 
Over range indication 
RS-232 computer Interface (Option)