Feature 1Full 3level smart PWM charging management, high efficiency. Dual MOS antibackflow circuit, low heat generation. 2Large LCD screen with backlight, clearly displays system operating information, indicates status and data, easily switch modes and parameter configurations. 3Charge and discharge parameters can be adjusted, with poweroff memory function. Automatically recognize the 12V/24V system voltage. 4Builtin short circuit protection, open circuit protection, reverse connection protection and over current protection, safer for using, ideal for home, industry, commercial, etc. 5The terminals are marked with corresponding icons for connecting the battery, solar panel and DC load. Please install it in a well-ventilated place.Item Type: Solar Charge ControllerMaterial: PlasticOutput Voltage: 12(V)Usage: Solar power generationWoke Voltage: 12/24VCharging Type: PWMMaximum Input Power: 520W(12V system); 1040W(24V system)Size: Approx. 130 x 190 x 62mm/5.1 x 7.5 x 2.4in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Solar Charge Controller1 x Wire Connector1 x Manual