Features 1Automatic Adaptation: This PWM solar controller can automatically adapt to 12V 24V which is easy to operate convenient for you to use. 2Plastic Shell: Made of plastic material the shell of this controller is wear resistant and durable providing the controller with a long life span. 3LCD Display: This controller is equipped with a LCD display you can easily monitor the running statues of this controller very convenient! 4Multi Protection: This controller has multiple protection measures over current protection short circuit protection undervoltage protection reverse connection protection temperature compensation over voltage protection. Use the controller with confidence! 5Wide Application: This controller is widely used for villas outdoor RVs solar power generation systems yachts and ships solar billboards solar street lamps etc. Specification Item Type: Solar ControllerProduct Material: PlasticUSB Output: 2 way USB output maximum 5V 2AStandby Current: Less than 10mAOperating Temperature: - 35 to +60 Package List 1 x Solar Controller1 x Manual