About this item FeatureAdopt industrial microcontroller to control charger and discharge process, charging and discharging parameters can be adjusted. Full 3-stage PWM load management Good heat dissipationDouble MOSFET reverse current protection, low heat generation (Note: The controller will be hot when operating. Please install it in a well-ventilated place) Display clearlyThe solar panel charge controller has a large LCD display with backlight Mutiple ProtectionBuilt-in a variety of functions of protection including over current, short circuit, open circuit, reverse connection, etc. Wide UsageSmart solar panel battery regulator can be used for mobile phones, tablets, speakers, etc. 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.