The SFT-1/TR electrode dryer is made by Sherman, the brand speaks for itself, it's quality and reliability is well known among welding specialists.
It is used for proper storage of electrodes/welding rods. Due to the lightweight construction it is recommended for less intensive use. Dryer is equipped in a thermostat that turns off the heater when it reaches appropriate temperature, and switches off a light visible on a front panel.
More technical information can be found on the right hand side
Sherman SFT2 electrode oven
Supply voltage [V]: AC / DC 60-110 (voltage circuit coming from a welder), 230 AC 50Hz
Heater power [W]: 800
Operating temperature [°C]: 50-300
Dryer capacity [kg]: 8.6
Weight [kg]: 13
Dimensions (D x W x H) [mm]: 295 x 235 x 595