* Digital display gives exact reading with no guessing or errors. * Multi-parameter measurement: Lux & FC Wide measuring ran and high resolution. * In build low battery indicator. Max value hold function. * The use of , long lasting components, including a stron, light weight ABS - plastic housing assures maintenance freepeormance for many years. The housing has been carefully shaped to fit comfortabley in either hand. * Use USB data output and RS-232 data output with connection PC.* Provide data output choice