[32 sets of data logging]Records up to 32 groups of data; Measurement of Max/Min; REL mode shows the difference between current and recorded value; Data Hold freezes measured data and reads later. Everything facilitates data collection, comparison, trend analysis. [0.1~400,000 Lux/FC]Accurately measures the light 0.1 ~ 400,000 Lux/FC (resolution: 0.1; accuracy: +/- 4% of rdg), ambient temperature (℃/℉ optional), sampling of 2 ~ 3 times/s, max/min, relative value measurement, bar. agraph, agraph, agfrom different light sources. fast. [Optimal lighting for your plants]Thanks to the advanced light-sensitive sensor technology, this lumen tool tells the right lights at school, home, , greenhouse, residence, aquarium, laboratory, indoors and outdoors. Ideal for adjusting optimal brightness in different rooms and changing suitable light and ambient temperature for your plants, orchids. [270° flexible measuring angle]270° rotating photo detector sensor provides more flexibility to reach any angle of measured light sources. No need to turn the whole light meter, just the head, and you get instant reading in front. [100% Worry Free Product ]Comes with zipper carry bag, easy to carry for different scenarios: living room, library, hotel, factory, live house, photo studio, cinema, etc., Manufacturer: Akfldms