High precision digital light intensity meter or photometer. ideal for photographers, interior designers, set designers, etc. for whom precision in lighting is essential. specifications: autorange function, data hold, measurement of maximum and relative values, calibration function, lcd screen with analogue style indicator, conversion of measurement units, auto-off function and low battery indicator, out-of-range measurement indicator, suitable for colour led light measurements and adjustment of the colour selection and parameters of the light source to be measured. power supply: 1 9v 6lr61 battery (not included). application: luxometer for led and standard light. digits: 3 and 1/2 digits. scale: 20-200k lux, 20-20k fc (photo candles). note: 1 fc = 10.764 lux, 1 lux = 0.09290 fc (photo cand