This product is a mini temperature controller, it can be used for domestic freezer, water tanks, refrigerator, industrial chiller, steamer, industrial equipment and other temperature-controlled system.Features:Mini temperature controller, easy to operate and use.With large and clear LEDs display for better readability.It has a wide temperature measuring range.Heating and cooling control, support switch modes between cooling mode and heating mode.Relay output.The delay function can be turned on to protect the service life of the refrigerator or heater when it is needed for delay.Wide temperature measuring range from -55 to 120.Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, boiler, steamer, industrial equipment and other temperature control applications.Specifications:Item type: Temperature ControllerPower Supply: 12V, 24V, 110-220VAC (Optional)Temperature measuring range: -50~99Resolution: -9.9~99.9: 0.1Accuracy: 1Sensor: NTC10K Waterproof sensorEnvironmental requirements: -10-60C , humidity 20%-75%RHRefresh Rate: About 0.5SDimension:79mm * 43mmCutting Size:76mm*39mmPackage weight: 49g/1.72ouncesPackage size: 80*43*22mm/3.14*1.69*0.86inchesPackage List:1 * Temperature controller1 * The probe line(1M)