Features: Digital intelligent control, adopts high performance chip, it is stable and high efficient. Adopts boost circuit to solve the charging efficiency of the low-power vertical wind generator. PWM charging function, PWM unloading function and PWM over current limit function. LCD screen clearly displays the voltage and electric quantity of the storage battery. Lightning Protection, Solar Reverse Charge Protection, Battery Open-circuit Protection, Battery Reverse Protection, Over Wind Speed and Over-voltage Soft Automatic Brake Protection, Overload Protection. Mini size, easy to install. Specification: Condition: 100% Brand New Material: Alloy Rated Voltage: 12V / 24V Photovoltaic Power: 400W Wind Dynamo Power: 800W Charging current: 50A Ambient Temperature: -25℃- +55℃ Suitable Altitude: ≤5500M Protection Type: Lightning Protection,Solar Reverse Charge Protection,Battery Open-circuit Protection, Battery Reverse Protection, Over Wind Speed and Over-voltage Soft Automatic Brake Protection, Overload Protection Control ways: PWM charging function, PWM unloading function, PWM current limiting function Display way: LCD Display specification: Voltage, Power, Charging status Heat dissipation: Radiator Size: Approx. 165* 142* 67mm / 6.5* 5.6*2.6in Package List: 1 * Wind Solar Hybird Controller Note: 1. Please allow 1-3cm error due to manual measurement, thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos displayed in photos may be showing slightly different from the real object, please take the real one as standard. .3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.