1,Protection Function: The wind charge controller has step up charging function, breeze charging, over temperature protection function, over charge protection, electronic short circuit protection 2,MPPT Charging: The windmill generator uses MPPT charging, which effectively harvests power from the generator to charge the battery 3,Status Indicator: The wind energy controllers have various status indicators to check the working status of the system, red is brake unloading, green is charging 4,Aluminum Shell: The wind generator controller adopts aluminum heat dissipation shell, with good heat dissipation characteristics and IP67 protection level 5,High Charging Efficiency: The 600w wind generator controller has a built in step up charging module, which has high charging efficiency and can also be charged with low voltage in the breeze Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.