Features:A mini temperature controller.With large and clear LED display for better readability.Wide temperature measuring range.Heating and cooling control.Temperature calibration function.Delay protection function.All parameters can be set to default setting after short circuit.Can be used for domestic freezer， water tanks， refrigerator， industrial chiller， boiler， steamer， industrial equipments and other temperature-controlled systems.Specifications:Working voltage: 110V ±10%Rated current: 10Apower consumption: ≤3WMeasurement range: -58~194 FahrenheitMeasurement precision: 0.1 FahrenheitMeasurement error: ±1 FahrenheitControl range: -58~194 FahrenheitControl precision: 1 FahrenheitWorking temperature: -30~150FahrenheitTemperature sensor: NTC 77 Fahrenheit=10K B3435Item size: 8.5*7.5*3.5cm / 3.4*3*1.4inItem weight: 160g / 5.6ozPackage size: 11*8.5*4.3cm / 4.3*3.4*1.7inPackage weight: 194g / 6.8ozPackage Includes:1 * Temperature Controller1 * Temperature Sensor1 * Instruction Manual