ECO-WORTHY 400 Watt Wind Turbine Generator with 160W Monocrystalline Solar Panel Off Grid Kit for 12 Volt Battery Charging Generally shipped in two shipments from our American warehouse, the 20A 12/24V hybrid controller is included in the turbine package. Controller connection: 3x green line for wind turbine, red is the positive for all connections, blue is the negative for solar panel, black is the negative for battery, yellow is the negative for load. The controller is 12v/24v autodetect, please connect the battery to the controller firstly, and then connect the solar panel and wind turbine with the controller. To make this system complete, you need some electric cables (14awg suggested) to conect the wind turbine and solar panel to the controller, also you need a battery to store energy and power your appliances. Wind turbine includes generator, 3 blades, tail and hardwares. Resistance to salt corrosion. It's designed with integrated automatic breaking system. Connect the Battery Positivie with the Red Wire Connect the Battery Negative with the Black Wire Connect the Wind Turbine with the Green Wire(in no particular order) Connect the Solar Positivie with the Red Wire Connect the Solar Negative with the Blue Wire Connect the Appliances Positivie with the Red Wire Connect the Appliances Negative with the Yellow Wire The Yellow Wire can be Left Out