Instruction:Normal mode:The red digital tube on the left shows the real-time temperature, the blue digital tube on the right shows the set temperature.Setting mode: The red digital tube on the left displays the setting mode, the blue digital tube on the right displays the setting contents.How to set the start or stop temperature:Press the "SET"button onace and the screen flashed,Press the "up" and "Down" button to set the temperature.Set Mode:Code Function Set Range Default Start or Stop Temperature -55~120C/-67~248F 0C/68FP0 Working mode H H/CP1 Difference set value 0.2-30C 2CP2 High temperature alarm value -55~120C/-67~248F 120C/248FP3 Low temperature alarm value -55~120C/-67~248F -55C/-67FP4 Temperature calibration value -10.0C~10.0C 0P5 Compressor delay time 0-60Min 0P6 Display mode C/F CPackage List:1 * Temperature Controller1 * Waterproof Sensor Features:Heating or cooling control.Red and blue dual led display.Directly power output;Temperature display resolution 0.1.Multiple alarm mode selection.Switch between C and F.Support temperature correction and support for power loss (the parameters of the sudden power failure are still valid).Application range is like home temperature control, farm, various cold storage, greenhouse, aquarium, etc.Specifications:Display Type: DigitalMaterial: ABS+PCBTemperature sensor: NTC 10KSenor length: 1.0mTemperature measuring range: -55 C ~ 120 C / -66F~248FResolution: 0.1 CAccuracy: 1 CPower consumption: