This professional temperature controller can be used for 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(-40248).Cooling and heating control, equipped with power supply cord.Delay protection function.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-controlledsystems to control temperature.Specifications:Color: BlackMaterial: PCWorking Voltage: 90V250VRated Current: 10APower Consumption: 3WPower Consumption of Standing by: 0.5WPrecision of Temperature Control: 0.1Resolution: 0.1Measurement Error: 0.3Control Range: -40120(-40248)Slewing 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: 1.45m / 57.1inRelay: 10A / AC220VItem Size: 15.5 * 6 * 2.8cm / 6.1 * 2.4 * 1.1inItem Weight: 245.2g / 8.6ozPackage Size: 21.5 * 11 * 3.5cm / 8.5 * 4.3 * 1.4inPackage Weight: 317g / 11.2ozPackage Includes:1 * Temperature Controller1 * User Manual