infrared temperature measuring device, contact-free measurement of surface temperatures with infrared technology, ideal to sense thermal bridges for refurbishment of old buildings, water temperature, heating lines, engine heat, laser aim point for precise focusing on measuring points, measuring range from -20°C to + 320°C, measuring lens 12 : 1, switchable temperature display from Celsius to Fahrenheit, automatic deactivation after 10 seconds, laser category 2, 635 nm wavelength, measuring accuracy 0°C to 320°C = +/- 1.5°C 0.5 mm/m, -50°C to 0°C = +/- 3.0°C, with 9 V DC monobloc battery