Easily convert a fridge into a fermentation chamber, simply plug and play! Now comes with wifi connectivity, view the temperature of your fermenting chamber from anywhere using a phone using the 'inkbirdsmart' app. Includes dual sockets for both cooling (fridge) and heating (heater belt/pad). Inkbirds have a range of settings which can be changed to suit YOU better. Features: Plug and play design, easy to use. Support reading with Centigrade or Fahrenheit. Maximum output load: 1100W(110V). Temperature calibration, Compressor delay protection for refrigeration control. High and low temperature alarms are available. Dual relay output, be able to connect with refrigeration and heating equipment at the same time. Dual display window, be able to display measured temperature and set temperature at the same time. Heating/Cooling differential function could be set separately for refrigeration and heating to protect temperature controller from violent change. Specification: Power: Voltage: 100~230Vac,50/60Hz, Current: 10A, Max Wattage: 1200W(110Vac), 2200W(220Vac) Type of temperature probe: R25℃=100KΩ±1%, R0℃=26.74~27.83KΩ,B25/85℃=3435K±1% Temperature measurement range:-40℃~100℃/-40℉~212℉ Temperature display accuracy: 0.1℃ /℉(=100℃/℉) Display unit: Celsius ℃ or Fahrenheit ℉ Ambient temperature: -20℃~60℃/-4℉~140℉ Storage environment: temperature:0℃~60℃/32℉~140℉; humidity: 20~80%RH(Unfrozen or condensation ) Warranty:Controller:2 years warranty ;Temperature Probe:1 year warranty Package Included: 1 x WIFI ITC-308 Temperature Controller 1 x Manual