There are other generic power meters available on the the only exception of this product- WATTS UP is their data logging features where other products don't have this feature. There are other cheap home power monitor available on the market but they lack the features of data logging, most data logging features are for commercial use. They are lucky users who owns this one, it can also estimate the approximate monthly bill of your mining rigs, so no need to worry about to calculate and compensate your profitability of each coin you mined.