THE TRIPLETT MODEL IRT350 121 INFRARED THERMOMETER HAS A CIRCULAR LASER THAT ACCURATELY INDICATES THE TARGET AREA WITHIN IT. IT HAS A TEMPERATURE RANGE OF -4 TO 1112F (-20 TO 600C) COLOR EBTN DISPLAY (ENHANCED BLACK TWISTED NEMATIC) ADJUSTABLE EMISSIVITY WITH 5 USER PRESETS VISUAL TRI-COLOR LED ALARM ALERT WITH AUDIBLE BEEPER 5 SETS OF PROGRAMMABLE HIGH/LOW ALARM PRESET VALUES REAL TIME CLOCK WITH SCHEDULED MEASUREMENT AND A LOCK FUNCTION FOR CONTINUOUS MEASUREMENT. INCLUDES 9V BATTERY. 1-YEAR WARRANTY.