Superior quality Hydro collator (4-Packs) machines. These are stainless steel tanks in which the silicone gel packs are heated. Heater capacity to vary the machine and all units have isolated base in them. The thermostatically, monitor maintains the unit at a temperature between 76°C and 80°C Operating voltage 220 volt/50Hz. Power consumption 2000 watt. Main on/off switches. Thermostat for temperature control (0 -110). Main Indicator for main power.