Type:Voltage RegulatorSwitch the modes between cool and heat;Control temperature by setting the temperature setting value and the difference value;Temperature calibration;efrigerating control output delay protection;Alarm whentemperature exceedstemperature limit or when sensor error.Supply Voltage:12VModel Number:STC-3000Product size: 75(L)x34.5(W)x85(D)(mm)sensor length: Im (include the probe)Temperature measuring range: 50C-99CResolution: 0.1CAccuracy:+1 C(-50C-70 C)sensor error delay: l minutePower supply: 110V/220VAC+10%, 50/60HzPower consumption: Less than 3wRelay contact capacity: Cool(10A/250VAC); Heat(10A/250VAC)Ambient temperature: 0C-60 CStorage temperature: -30C-75Relative humidity: 20-85%(No condensate)Colour: Blackmaterial: plasticPackage Content: 3 x Temperature Regulator3 x vinyl probe line3 x manualOnly 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.