TM&W STC3028 Digital temperature humidity controller greenhouse incubation humidifier Multipurpose Controller

Set startup temperature(humidity): Press the "up" button once to display the starting temperature(humidity). Long press the "up" button for about 3 seconds,The required temperature(humidity) can be set by the up and down keys. Set stop temperature(humidity): Press the "down"button once to display the stop temperature(humidity). Long press the button for about 3 seconds and the stop temperature(humidity) number flashes. The required temperature(humidity) can be set by the up and down keys. Temperature/humidity correction: Press "up" and "down" button at the same time.