Auto Focus Tracking30A MPPT solar charge controller adopts innovative MPPT technology with high tracking efficiency up to 99%. Multi-function LCD DisplayMulti-function LCD displays system information intuitively.Adjustable charging and discharging parameters,Adjustable ultra-wide charging,It can be adjusted very conveniently. Reliable Protection Over voltage, short circuit, overload, over charge, over discharge protection function; Auto focus MPPT tracking charge, high charging efficiency, non-stop detection during charging, bi-directional focus tracking. Industrial-grade master chip 16 AD sampling accuracy, temperature charging current, discharging current accurate real-time display, power generation at a glance. NOTE 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products