The SKF TKTL 40 portable infrared thermometer enables safe and efficient temperature measurement from a distance. The thermometer performs with a distance-to-spot ratio of 50:1 for accurate surface temperature readings of very small areas, even at long measuring distances.This unit offer a backlit display, dual-laser sighting, the K-type probe connection (for direct-contact temperature measurement), and a bright LED illuminator for visibility even in poorly lit environments. A data logging function can be engaged to track temperature changes over time. Users can also select high or low alarm levels with audible warning signals as safeguards. A user-selectable auto shut-off feature optimizes the rechargeable battery life to promote extended service intervals.