Features Using MCU control system and highly accurate temperature detection probe. This product uses the design of three display windows, which can perform real-time display for start and stop value. It has other functions such as intermittent work, time switch, etc. It can be widely used in multiple occasions: incubator, factory temperature control, Incubator temperature control, etc. Energy saving energy saving, safe and easy to use. Specifications:Rated voltage: 12VMaximum current: 10AMaximum power: 2200WSize: 9 x 6cm/3.54 x 2.36inchThree modes: Intermittent work, TIMER ON and TIMER OFF Temperature measurement range: -55 ~ 120 degreesMeasurement accuracy: ± 0.3 ℃Control accuracy: 1 ℃Delay time control range: 0 to 99 hours, 99 minutesMeasurement input: NTC(10K0.5%%)Input voltage: 12v/24v/220vDisplay Color: red and yellow Temperature control range: -19 ~ 99 degreesTemperature compensation range: -20~20℃ Button Press F-1 Intermittent working modelF-2 Timer off modeF-3 Timer on mode Long press Move to Hibernation Mode. press setting again turn on the temperature controller add    reduceF-1 Intermittent working model, Set boot temperatureF-2 Timer off mode, Countdown unit is hoursF-3 Timer on mode, Countdown unit is hours  add    reduceF-1 Intermittent working model, Set shutdown temperatureF-2 Timer off mode, Countdown unit is MinuteF-3 Timer on mode, Countdown unit is Minute Hold down in case of power failureEnter the set temperature calibration mode Hold down in case of power failureRestore factory settings Package Included: 1 x Digital Temperature Controller Package List