This professional temperature controller can be used for fish tank, freshening seawater, vegetable greenhouse, domestic water tanks, refrigerator, industrial chiller,boiler, aquarium, aquaculture and other temperature-controlled systems.Features:A useful temperature controller for controlling temperature intelligently.With large and clear LED dual display for better readability.Wide temperature measuring range -40120 with delay protection function.New plastic thermosensitive probe with mini sucker, suitable for fish farming lover in fresh water.Cooling and heating control, equipped with power supply cord.Support brown-out storage (Set parameters is still valid after short circuit).Can be used for vegetable greenhouse, domestic water tanks, aquarium, aquaculture and other temperature-controlled systems to control temperature.Specifications:Color: BlackMaterial: PCWorking Voltage: AC90V250V10% 50/60HzRated Current: 10APower Consumption: 3WPower Consumption of Standing by: 0.5WPrecision of Temperature Control: 0.1Resolution: 0.1Measurement Error: 0.3Control Range: -40120Slewing Range of Temperature: 0.130(adjustable)Working Temperature: -2070(-4158)Working Humidity: 90% RH Non CondensingTemperature sensor: NTC 25 =10K B3435 1% (1.48m Line)Length of Power Line: 1.5m / 59inLength of Sensor Line: 1.5m / 59inRelay: 10A / AC220VItem Size: 15.5 * 6 * 2.8cm / 6.1 * 2.4 * 1.1inItem Weight: 238g / 8.4ozPackage Size: 21.5 * 11 * 4.5cm / 8.5 * 4.3 * 1.8inPackage Weight: 300g / 10.6ozPackage Includes:1 * Temperature Controller1 * User Manual