About This Unify Your Equipment: You can operate them individually or unify all your smart devices through the GrowHub E42A+ platform to simplify the complexities of gardening to a scientifically manageable level and thus better stabilize your growth environment Environmental Monitoring: With a built-in temp and humidity gauge and one probe, the GrowHub Controller E42A+ monitors changes in both the internal and external environment, and you can view this data and program through the App Fully Automated: Program your equipment to automatically take you through each stage of growth – program light intensity, light spectrum, on/off periods, fan speed, and airflow volume, make changes to better suit your plants at any time Customizable Settings: Fully customizable programming allows to customize your style with easy-to-use settings, a clear LED display, capacitive buttons – and the GrowHub E42A+ Controller can be mounted on your tent fabric without an ugly mounting bracket App Controllable: The GrowHub Controller is WiFi-enabled so you can control your equipment from anywhere, anytime via the app; The App expands the controller’s capabilities through Grow Recipes and other extremely powerful settings Perfect Addition: Type-C to MOLEX and AUX converters increase the range of compatible fans; the RJ11 network interface supports VS series grow lights and some other brands of lights; Use the 12V power adaptor to drive the controller when no device is connected Overview Color : Black Brand : VIVOSUN Voltage : 12 Volts Product Dimensions : 5.43"L x 1.1"W x 3.3"H Material : Metal, Plastic