Automatic conversion of cooling and heating modeControl mode of the return difference; Temperature display resolution 0.1The temperature controller has the characteristic of high , high sensitivity, high stability.Supports temperature correction and support for energy loss (the parameters of the sudden failure are still validThe application range is like the temperature control of the home, farm, cold , greenhouse, aquarium, etc.Screen type: DigitalSTYLE: Foot stationTemperature sensor NTC 10 KLord Length: 1.0 mTemperature measurement range: -55 C ~ 120 CResolution: 0.1 CAccuracy: 1 C supply: 110-220VAC 50 / 60Hz consumption: Less than3 W temperature: -30 C ~ 75 CRelative Humidity: 20% ~ 85% (without condensation)Relay contact capacity: two Cool relay 10A / 240VAC; Heat 10A / 240VACColour:blackMaterial:plasticSize:85.5*75*34.3(mm)Package Contents:1* thermostat2* temperature probesOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.