You need to download the file, unpack, read the installation instructions.
POPULAR T2Tz MODES:
26 TH/s – 2100 watt (80 watt -TH/s)30 TH/s – 2400 watt (80 watt -TH/s)
STOCK FIRMWARE T2Tz:26 TH/s – 2300 watt (88 watt -TH/s)
ATTENTION:
firmware is only suitable for T2Tz