【Parameter】Temperature control range: -40℃~120℃; Temperature control accuracy: ± 1%; Time accuracy: MAX 10 minutes. 【Relay output, easy to operate use】Plug and Play design, relay output. Easy to use program and safe to use to use. 【5 temperature control modes】 F01 cycle timer mode; Countdown mode countdown F02 ON, countdown mode countdown F03 OFF, countdown F04 ON countdown and countdown mode countdown OFF. Please note that the temperature control function and the timing function cannot be used at the same time. 【Temperature Setting】The thermostat socket can be set to start and stop the temperature to control the heating/cooling mode, it controls the heater or cooler to operate as set. 【More functions】 NTC temperature sensor; temperature calibration; Reset function；Data storage function to save all set parameters after power off. If you have any questions about the product, please do not hesitate to ask. contact us to help you solve it.