Feature:1. Heating or cooling control, Red and blue dual led display.2. Independent Dual-way temperature controller, Temperature display resolution 0.1.3. Directly power output. Support high(low) temperature alarm and support for power loss (the parameters of the sudden power failure are still valid.4. ABS shell High quality sturdy, wear resist can provide long service time.5. Application range is like home temperature control, farm, various cold storage, greenhouse, aquarium, etc.Specification:It's perfect for various household, institutional & industrial heating and cooling applications.Features:Heating or cooling controlRed and blue dual led displayIndependent Dual-way temperature controllerTemperature display resolution 0.1Directly power outputSupport high(low) temperature alarm and support for power loss (the parameters of the sudden power failure are still validApplication range is like home temperature control, farm, various cold storage, greenhouse, aquarium, etcSpecifications:Display Type: DigitalMaterial: ABS+PCBStyle:Standing StationTemperature sensor: NTC 10KSenor length:1.0mTemperature measuring range:-55 ° C ~ 120 ° CResolution: 0.1 ° CAccuracy:±1° CPower supply: 110-220VAC 50/60Hz, 12V DC , 24V DC(Please choose power supply when ordering)Power consumption: <3WStorage temperature: -30 ° C ~ 75 ° CRelative humidity: 20% ~ 85% (No condensate)Relay contact capacity: Two Relay Max 10A,Direct OutputItem Size: 7.5*5.5*3.1cm / 2.95*2.16*1.22inItem Weight: 80g / 2.82ozSet startup temperature:Press the "up" button once to display the starting temperature. Long press the "up" button for about 3 seconds,The required temperature can be set by the up and down keysSet the stop temperature:Press the button once to display the stop temperature. Long press the button for about 3 seconds and the stop temperature number flashes. The required temperature can be set by the up and down keysPress "Up 1" Button & "Up 2"Button at the same time to setting modeHow to restore factory Settingspress the "Down 1" and "Down 2" button at the same time, the factory setting is restoredTemperature correctionPress “Up 1 ”and “Down 1 ”at the same times for 3 second. positive value = measured value + corrected value(group 2 temperature correction is the same method )Note:Heating Mode--Start temperature<Stop temperatureCooling Mode--Start temperature>Stop temperatureCodeFunctionSet RangeDefaultP0Compressor 1 delay time0-60min 0min P1Compressor 2 delay time0-60min 0min P2High temperature alarm value-55~120°C120°CP3Low temperature alarm value-55~120°C-55°CPackage List:1 * Temperature Controller2 * Waterproof SensorPackage List:1 * Temperature Controller2 * Waterproof Sensor