Feature: 1. Built‑in microcontroller, support one‑key setting, with automatic memory function. 2. Support full 4‑level PWM charge management, dual reverse current protection, low heat generation. 3. With a large LCD display, can clearly display status and data, and all parameters are adjustable. 4. Built‑in short circuit protection, open circuit protection, reverse connection protection, overload protection function. 5. Easy to install and use, it can full meet the requirements of your home photovoltaic system. Specification: Condition: 100% Brand New Item Type: Solar Charge Controller Material: ABS Rated Voltage: 12V 24V Automatic ((If your battery is 12V, the maximum solar panel input is 25V 360W, if your battery is 24V, the maximum solar panel input is 50V 720W)) Current: 30A The regulator is only suitable for lead-acid batteries: OPEN, AGM, GEL Not Applicable: Ni-MH, Li-ion or other batteries Weight: Approx. 155g / 5.5oz Product Size: Approx. 13.6x7cm / 5.4x2.8in. Package List: 1 x Solar Charge Controller1 x Manual Note: 1.The reverse order applies when unloading. Improper order will damage the controller.2.Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.3.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.