1.Two modes:switch the modes between heating and refrigerating.2.Control temperature by setting the temperature setting value and the difference value.3.Temperature calibration,refrigerating control output delay protection;4.Alarm when temperature exceeds temperature limit or when sensor error.5.High accuracy of temperature measurement and clear temperature value.1.This controller is suitable for temperature control of the middle and low temperature cold storage or heating equipment.2.High accuracy of temperature measurement,clear temperature value and more convenient observation.3.Can be used for domestic freezer, water tanks, refrigerator,industrial chiller, steamer, industrial equipment and other temperature control applications.specificationModel:STC-100ARelay capacity:10A(0.5HP)/220VACTemperature measure range: -40~99CTemperature controlling range: -40~99CResolution: 1CAccuracy: 1 C0.5digitAmbient requirements: temperature: 0-60C humidity: 20%-85%(No condensate)Consumption:3WInput: 1 NTC sensorSensor lenth:2M(include the probe)Delay time when sensor error:1 minSafe level of the front panel:IP54Storage temperature:-30C - 75CFront Panel Size:77(L)x34.5(W)mm/3x1.35inInstalling hole Size:71(L)x29(W)mmItem size:77(L)x34.5(W)x62mm(D)/3x1.35x2.42inColour: Blackmaterial: plasticPackage Contents:1 x Temperature ControllerOnly the above package content, other products are not included.Note: Light 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.