for quick and easy measurement of temperatures without touching the measuring object, the wavelength of the radiation is below the red range of visible light and is therefore called "infrared", plastic housing, for controlling air conditioning and heating systems, beverages and wine as well as for Suitable for pools, including 1 x CR2032 battery, accuracy: + - 1 ° C or 1% from 15 ° to 40 ° C Reproducibility: + - 1 ° C or 1% Display resolution: 0.1 ° C Response time: approx. 500 ms Working temperature: 0 ° to 50 ° C Storage temperature: -20 ° to 50 ° C Emissivity: 0.95 Fixed optical resolution: 1.3: 1