Feature 1Advanced Performance: The solar charge and discharge controller adopts automatic recognition of system voltage level and intelligent PWM charging mode. 2Simple Button Operation: The solar panel charging controller has a large LCD display screen, image LCD graphic logo, and simple button operation. 3Multiple Protection: Solar charging controller built in charge and discharge safety hours accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection. 4Multifunctional: Solar voltage regulator PWM charger, with automatic temperature compensation, adjustable charging and discharge control parameters and other functions. 5Easy to Use: This product can directly drive the solar controller using photovoltaic panels. Provide you with the convenience of use.Item Type:Solar Charge ControllerWeight: 145g/5.1ozUSB Output: 5VOutput Mode: USBOperating Temperature: -35~+60Application: Solar panels, etcColor: black and green .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 Controller1 x Manual