Automaxx Windmill 600W (12V / 24V) (50A / 25A) Wind Turbine Generator kit. MPPT charge controller included (Amp, Volt & Watt display) + automatic and manual braking system. DIY installation. FEATURES: Integrated automatic braking system to protect from sudden and high wind speed. Easy DIY installation methods with all materials provided. Can be used in conjunction with solar panels. MPPT Maximum power point tracking built into the wind turbine generator. Made with high quality Polypropylene and Glass Fiber material with a weather resistant seal. PROTECTION AGAINST: UV protection coating, Sudden voltage surge and wind gust, high wind speeds with integrated automatic braking system + manual braking switch and over charging of battery. SPECIFICATION: Rated power: 600W, Rated speed: 31 MPH, Voltage system: 12V & 24V auto-detect, Cut-in wind speed: 6.7 MPH, Suggested battery capacity: 100A or larger, Number of blades: 3, Rotor diameter: 4.3 ft and Weight: 26 lb. INCLUDES: 1 x Center piece + including generator, 1 x Tail Piece, 1 x Digital MPPT Charge Controller, 3 x Blades, 1 x Nose cone, 1 x Manual brak switch, Hex Screws, Locking nuts, Spacers, Hex keys and 1 x Operational installation WARRANTY: 1 Year manufactures warranty.