1. The Portable Spectral Color Illuminometer features a spectral application range of 340-1000nm 2. Crafted from robust plastic, this Portable Spectral Color Illuminometer is both waterproof and dustproof with an IP53 rating 3. The device includes an open-type optical interface with a diameter of 11.8mm and cosine corrector 4. With a high signal-to-noise ratio of 200:1 and a total illumination accuracy of 4%, the Portable Spectral Color Illuminometer guarantees reliable readings 5. For a range of settings, from scientific research to industry applications, this Portable Spectral Color Illuminometer is designed to operate effectively at temperatures between -10°C and 45°C