Features: Maximizes wind energy efficiency with this 12V/24V MPPT PWM Wind Turbines controllers, featuring generation improvement through advanced MPPT trackings and IP67 waterproof durability for harsh environment. Engineered with sturdy construction and wind channel cooling, this 16A wind generator controllers ensures stable operations with overloads, reverse polarity, and automatic braking protective for systems safety. Ideal for homeowners, campers enthusiasts, and small scale energy projects requiring battery charging from wind turbines in remote or low wind conditions. For powering rural cabins, agricultural equipment, or weather stations where IP67 rate waterproofing and efficient heat dissipation guarantees year round performances in outdoor setting. Automatically switches between MPPT optimization and PWM silents unloading to maintain battery health while supporting 300W 1000W wind turbines with seamlessly voltages compatibility. Specifications: Component: Plastic Size: 9.7cm/3.82inch Voltages: 12V to 24V Package Includes: 1pc Wind Generator Controllers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.