Key feature: - Real-time measurement illuminance (lx) and color temperature (CCT) - Lighting scenes recommendation with Equivalent Melanopic Lux (EML), lux and CCT. - EML version to 0-30000lx, 2000-10000K, 0-45000lx(EML) - none EML version to 0-10000lx, 2000-7000K. - How good is your light? Rated the light for you - Snapshot real-time data. The value can share by .CSV - Trend Charts. The chart can share by .PNG