Two display windows, capable of simultaneously displaying measured temperature or humidity or set temperature or humidity Can connect cooling or heating and humidification or dehumidification equipment at the same time. The heating or cooling function can be set separately to avoid drastic changes and provide cold protection and temperature controller heating. Equal humidity control. It can be used for household water heaters, freezers, refrigerators, aquariums, household beer, chicken incubators, breeding, planting, etc. It is also suitable for use in laboratories and other temperature control systems. Note: When the load is not connected to the output terminal, please do not connect the power supply, in order to Avoid touching the two poles of the wire and causing a fire. Measuring temperature range: 0and80 Humidity measurement range: 00 percent RH and 100 percent RH Accuracy: 0.1, 0.1 percent RH Relay output contact capacity: MAX 10A Direct Output Body Material: Flame retardant ABS Sensor length: 1 m Material: ABS Dimensions: 7.5 x 5.5 x 3.1cm How to use: [Set starting temperature or humidity]: press the "up" button once to display the starting temperature or humidity) or . Long press the "up" button for about 3 seconds. The required temperature or humidity can be set using the up and down keys [Set stop temperature or humidity]: press the "down" button once to display the temperature or humidity stop. Long press the button for about 3 seconds and the shutdown temperature or humidity number flashes. The required temperature or humidity can be set using the up and down keys [Temperature or humidity correction]: Press "up" and "down" simultaneously. - [Reset product]: Press "down 1" and "down 2" for 3 seconds. Package includes: 1 x temperature humidity controller Welcometomeet