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This Ink Bird ITC-308 plug and play temperature controller comes with a temperature probe and ensures your grow space is maintained at the right temperature. Simply plug your humidity control peripheral like a fan, heater or dehumidifier and it’ll turn it on and off to maintain the right temperature. Maximum load is 10A. It has an audible alarm and can also display the ambient temperature. It can also be monitored remotely on via the Inkbird app as it’s wifi enabled. 12 Month warranty.

Main features

  • Plug and play design, easy to use;
  • Dual relay output, be able to connect with refrigeration and heating equipment at the same time;
  • Support reading with Centigrade or Fahrenheit unit;
  • Maximum output load: 1000W(110V)/2000W(220V);
  • Dual display window, be able to display measured temperature and set temperature at the same time;
  • Temperature calibration;
  • Compressor delay protection for refrigeration control;
  • High and low temperature alarms are available;
  • Over-temperature and sensor fault alarm;
  • Heating/Cooling differential function could be set separately for refrigeration and heating to protect temperature controller from violent change.


  • Temperature Control Mode :On/Off Control, Heating and Cooling
  • Temperature Control Range : -50~99 °C / -58~210 °F
  • Temperature Resolution: 0.1 °C / 0.1°F ​
  • Temperature Accuracy: ±1°C (-50 ~ 70°C) / ±1°F (-50 ~ 160° F)
  • Ambient Temperature: -30~ 75 °C / -22~ 167 °F
  • Input Power: 100 ~240VAC, 50Hz/60Hz
  • Temperature Control Output: Max. 10A, 100V ~240V AC
  • Input Power Cable Length: 1.5m (5ft) ​
  • Output Power Cable Length: 30cm (1ft) ​
  • Buzzer Alarm: High and Low Temperature Alarm
  • Sensor Type: NTC sensor
  • Sensor Length: 2m / 6.56ft
  • Relay Capacity: Cooling/ Heating (10A, 100-240VAC)
  • Storage Temperature: -20~ 60 °C / -4~ 140 °F ​
  • Storage Humidity: 20~85%
  • Dimension Body: 140x68x33mm (5.5×2.7×1.3inch)