[Wide Range Application]:Daily output 2.08kwh/day under 4 hour full condition,ideally suited for the leisure sector, perfect for charging 12V batteries for boats, gazebos, cabins or mobile homes, green windmills, home, corporate and industrial energy supplements. [400W Wind Turbine Generator kit]: Starts at 2m/s with low vibration rate and high wind energy utilization. The generator adopts a patented permanent magnet rotor alternator with a special stator design, which can effectively reduce the resistance torque.The 40A hybrid controller can automatically identify the voltage of 12/24V/48V battery system with overcharge, overdischarge and overload protection functions. [Durable Monocristalline Solar Panel]: aluminum frame corrosion resistant, high press. The solar panel complements the wind source, provides you with non-stop power. [Lithium Battery]:Lithium rechargeable battery cycles more than 3000 times，which is more than 8 times comparing to Lead-acid batteries(usually only last