1,Main Control Chip: Industrial grade main control chip, complete 3 stage charging management, backflow resistance circuit, ultra low heat generation 2,LCD Display: Large screen LCD display, charging and discharging current display, accumulative power generation and discharge power query, temperature display 3,Light Control and Delay Control: With light control and delay control, adjustable charging and discharging parameters, with functions such as power off memory 4,Dual USB Output: The solar charge controller with dual USB output, maximum current up to 5A, support for iPhone charging 5,Self Recovery Type: Built in over current, short circuit protection, open circuit protection, reverse connection protection, all self recovery, non damage to the controller Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.