The Electron Losses and Fields Investigation (ELFIN) website is at https://elfin.igpp.ucla.edu/. The Electron Particle Detector's data product (EPDEF) contains the number of discrete electron counting events in each of the 16 EPD-E energy channels, in units of counts/sector, since the completion of the preceding spin sector. The EPDEF values are reset and stored at a cadence which equally subdivides the spacecraft spin period (nominally 1/16th), which corresponds to the fastest possible time resolution available from the instrument (typically ~100-300 ms). The product is not adjusted for integration time and can be converted to counts/second, etc., by dividing by the time corresponding to one spin sector.