... -1 Product Features:-Co-axial laser aiming mode-Hand-held ,Non-Contact, infrared thermometer-Wider/Auto Range, rapid response, LCD display-Emissivity adjusting, K ... .5 % of the reading, or ± 0.5 ºC-Temp. range for K-type measure.: (-40 to 1370 ºC) ,Accuracy: ±1.5 ... -Optional Accessories: DC 9V power supply (7101 - 100 mA) TM813 Non Contact Infrared Thermometer