STC-3028 Dual Digital Thermostat Temperature Humidity Control Thermometer Hygrometer Controller AC 110V 220V DC 12V 24V 10A

Good luck with your favorite purchases Input voltage: AC110~220V± 10%, DC24V, DC12V Measuring temperature range: -20°～+80° Measuring humidity range: 00%RH～+100%RH Accuracy: ±1°, 0.1%RH Relay output contact capacity: 10A/240VAC Sensor length: 1m 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.