Purchased new but never used. Was intending to use for controlling wetback hotwater system. Details - ITC-308 : Temperature controller With Heating and Cooling functions for Food Making, Wine Making , Home Brewing , Sous Vide And Other Place Needs To Control Temperature etc Features: - Plug & 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: 2400W(240V); - Dual display window, be able to display measured temperature and set temperature at the same time; - Compressor delay protection for refrigeration control High and low temperature alarms are available; - Over-temperature and sensor fault alarm Temperature calibration; - Heating/Cooling differential function could be set separately for refrigeration and heating to protect temperature controller from violent change. - F/C degree display; - Easy to set, PV and SV dual display windows - Dual display window, be able to display measured temperature and set temperature at the same time - The sensor is waterproof and is better for the freshwater tank than the saltwater tank. - Maximum output load: 2400W(240V); - Alarm when over-temperature and sensor error - Dual relay output, be able to connect with refrigeration and heating equipment at the same time Specification : - Temperature Control Range : -50~99 °C / -58~210 ° F - Heating Differential Value 0.3~15℃/1~30℉ - Cooling Differential Value 0.3~15℃/1~30℉ - Temperature Resolution: 0.1 ° C / 0.1° F - Temperature Accuracy: ±1°C (-50 ~ 70°C) / ±1°F (-50 ~ 160° F) - Temperature Control Mode :On/Off Control, Heating and Cooling Input Power: 100 ~240VAC, 50Hz/60Hz - Temperature Control Output: Max. 10A, 100V ~240V AC (It can apply to the voltage from 100V to 240V) - Buzzer Alarm: High and Low - Temperature Alarm Dimension Body: 140x68x33mm (5.5x2.7x1.3inch) - Socket: 112x46x27mm (4.4x1.8x1.0 inch) - Sensor Type: NTC sensor (Including) Sensor Length: 2m / 6.56ft - Ambient Temperature: -30~ 75 ° C / -22~ 167 ° F - Storage Temperature: -20~ 60 ° C / -4~ 140 ° F Humidity 20~85% (No Condensate)