A mini temperature controller. and clear LED display for better readabilityWide temperature measuring rangeHeating and cooling controlTemperature calibrationDelay protection functionAll parameters reset to default settings after short circuitCan be used for domestic freezer, water tanks, refrigerators, industrial chillers, boilers, steamers, industrial equipments and other temperature-controlled systems.Rated current: 10A consumption: less than equal 3 WMeasurement range: -50-110 degree CelsiusMeasurement precision: 0.1 degree CelsiusMeasurement error: +-0.3 degree CelsiusWorking temperature:-20-70 degree Celsius, Humidity: 90% none moisture condensationTemperature sensor: NTC 25 C =10K B3435 (1m, no positive or negative)Output load: DC 9-72VWorking voltage: DC 9V-72V +-10%, 50/60 HZColour:blackMaterial:plasticSize:8.5 x 7.5 x 3.5 cm / 3.4 x 3 x 1.4 inchesPackage Contents:2 x Temperature controller2 x Temperature sensorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.