Item Type: Solar Charge Controller Material: PVC, MG Aluminum Alloy Voltage: 12V 24V Package List 1 x Solar Charge Controller 1 x Manual 1Automatic Voltage Identification: Solar charge controller can automatically identify 12V and 24V input voltage, which is convenient for operation. 2Easy Operation: Adopt humanized LCD screen and double key operation human machine interface, users can completely use the technical data to set and modify. 3Multiple Protections: Built in short circuit protection, overload protection, overcurrent protection, overcharge protection, undervoltage and overvoltage protection, safe and secure to use. 4Reliable Materials: Use pure copper terminals, with strong conductive function. Selected excellent PVC and MG aluminum alloy for better wear resistance and durability. 5Wide Applications: Intelligent solar charge controller is suitable for solar power generation system, solar street lamp, smart home, etc.