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 About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.