Feature:1. [Intelligent] Solar charge and discharge controller adopts automatic identification of system voltage level and intelligent PWM charging method.2. [Flexible Settings] The control parameters of the solar charge and discharge controller can be flexibly set to meet your different application needs.3. [LCD Screen] Solar panel charge controller has a large LCD display with support for image LCD graphic signs for a clearer display and easy button operation.4. [Easy To Use] Solar voltage regulator PWM charger with automatic temperature compensation, charge and discharge control parameters.5. [Protection] Solar controller built in charge and discharge hour accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection.Specification:Item Type: Solar ControllerMaterial: PlasticProduct Size: Approx. 13.3 x 7 x 3cm / 5.2 x 2.8 x 1.2inColor: BlackUSB Output: 5V/3A (Maximum)Output Method: USBConversion Rate: 98-99%Working Temperature: -35℃+60℃Weight: Approx. 150g/5.3ozScope of Application: Solar Panels, etc Package List:1 x Solar Controller1 x ManualNote:Manual measurement, please allow some errors.