MULTI PROTECTION: This solar controller has short circuit protection, open circuit protection, reverse protection, and overload protection. IDEAL REPLACEMENT: Wonderful replacement for the old and damaged controllers, fine workmanship, attention to details, helps you improve the working efficiency DIGITAL DISPLAY: Equipped with a display screen that can clearly display status and data, easy to switch modes and parameter configurations. APPLICABLE SCENARIOS: This solar controller is suitable for family, industry, business, etc. Use the controller wherever you need. DELICATE DESIGN: This solar controller has a blue green shell, which is stylish and unique, different from others, easy to find.