Infrared thermometer with super white light led flashlight (using japanese-made nichia Led), 2-in-1 Design Quick, non-contact and accurate temperature taking Pen-style design, easy to carry and use Ds ratio: 1:1 Patent design: measuring top with thermal protection to b more accurate upon taking temperature Patent design: measuring top and tube with anti-dust and anti-static Protection to Keep it clean and safe Low power consumption Displaying battery capacity in square pattern Application: Professional-grade instruments for hvacr, engineering, automobile, Machinery, lab; Indoor/outdoor temperature taking for food, wine, beverage, milk, coffee, Tea and so On Response time: 1 second Emissivity: 0.95 fixed Update frequency: 1.4hz Wavelength: 5 to 14um Auto shut down: 15 seconds Led lamp head: nichia high power, ultra brightness in white light, 45+/-5lm(0.5w) Duration: 4 hours Operating temperature: 0~50°c (32 to 122°f) Storage temperature: -20°c to 65°c (-4 to 149°f) Power voltage: 3v Battery: lr44 x 2 Dimensions: o13 x 148 mm Weight: 56.8 g (includes batteries)