Food Service Infrared Thermometer, -4°- 392° F ( -20° - 200° C )/-58°- 4° F ( -50° - -20° C ), 8:1, Fixed EmmissivitySpecifically designed and calibrated to meet food service industry requirements Built in laser pointer identifies target area User settable alarm, with audible visual signals Green LED for normal temperature indication and red LED for high temperature indication Backlit LCD display User selectable F or C Fixed emissivity covers 90% of all applications Data hold, auto shut off and trigger lock Temperature Range: 58 4 F ( 50 20 C ) 4 392 F ( 20 200 C )