Accurately displays light level in terms of Fc or Lux over three ranges: Fc (0-200, 0-2,000 and 0-5,000 Fc) and Lux (0-2,000, 0-20,000 and 0-50,000 Lux). Select fast (1second) or slow (2 seconds) response. Analog output of 1mV per count for capturing readings to a recorder. Complete with 9V battery, light sensor with 3.8 foot (1.2m) cable and built-in stand. 1-year warranty.