1、INTELLIGENT: PWM solar charge controller uses automatic system voltage level recognition and intelligent PWM charging method. 2、LARGE LCD DISPLAY: PWM solar charge controller regulator has a large LCD display, image LCD graphic logo, and easy button operation. 3、MULTIPLE PROTECTIONS: Built in charge and discharge safety hours accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection. 4、TEMPERATURE COMPENSATION: Solar charge controller has automatic temperature compensation, adjustable charging and discharging control parameters. 5、EASY TO USE: Solar panel charger discharge regulator can drive solar controller directly using PV panels, which is very convenient. Item Type: Solar Charge Controller Material: ABS USB Output: 5V Output Mode: USB Operating Temperature: -35℃+60℃ Scope Of Application: Solar Panels, Etc. Gross Weight: 147g/5.2oz Color: Black, Green 1 x Solar Charge Controller 1 x Instruction Book