Feature:1. Has shortcircuit protection, opencircuit protection, reverse protection, overload protection.2. 3stage PWM charge management, improve system efficiency and prolong the life span of the battery.3. Largescreen LCD display, clear data, adjustable charge and discharge parameters.4. Twoway MOS tube antibackflow circuit, highpower charging mode, ultralow heat.5. The solar panel controller can charge 12V/24V batteries, ultrawide charge and discharge adjustable.Specification:Item Type: Solar Charge ControllerMaterial: PVCColor: As shown in the pictureProduct Size: Approx. 13.3x6.8x3cm / 5.2x2.7x1.2inWeight: Approx. 145g / 5.1ozRated Voltage: 12V 24V automatic (12V is suitable for 18V solar panels, 24V is suitable for 36V solar panels)Rated Current: 30ACharging Mode: 3 stagesFunction: Charge 12V/24V battery, ultra-wide charge and discharge adjustableSelf-Consumption: <10MAOvercharge Protection: 14.4V/28.8VFloating Voltage: 13.7V/27.4VOver Discharge Protection: 10.7V/21.4VOver Discharge Recovery: 12.6V/25.2VMaximum Input Power: 360w(12v) 720w(24v).Package List:1 x Solar Charge Controller1 x Instruction ManualNote:1. Please allow 12in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Without electric power storage function.