1. The Handheld Basic Spectrum Analyzer Kit features a portable design with dimensions of 30*28*20 mm 2. Designed with a plastic shell, this Handheld Spectrum Analyzer is both waterproof and dustproof with an IP53 rating 3. Capable of measuring wavelengths from 340-1000NM, the Handheld Spectrum Analyzer provides comprehensive data 4. With a spectral accuracy of ±1 nm (repeatability) and a linear amplitude of 0.9900, this portable spectrophotometer ensures results for your illumination measurements. 5. The Handheld Spectrum Analyzer allows for quick and efficient readings with a points time range of 0.1-2000 ms, and supports an illumination measurement range from 2 to 300,000 lux