1,With a large transparent LED display and multiple LED indicators, provide digital display, voltage, charging identification, battery power identification, charging identification. 2,The MPPT controller can detect the voltage generated by the solar panel in real time, and track the highest voltage and current value (VI), so that the system can charge the battery with the maximum output power. 3,Built‑in PCB circuit board, solar voltage stabilizer, military quality, anti‑aging. 4,Have customizable parameters and error codes, have stable and excellent performance. 5,Small in size and light in weight, convenient to carry and use at any time, very convenient and practical. Item Type: Solar Charge Controller Material: Plastic Product Size: 168 x 92 x 41.5mm or 6.6 x 3.6 x 1.6in Terminal Size: 28-10 AWG Color: Black and orange Working Voltage: 12V or 24V Maximum Power Generation Current: 10 or 20 or 30 or 40 or 50 or 60(A) Rated Charging Current: 10 or 20 or 30 or 40 or 50 or 60(A) Rated Load Current: 10 or 20 or 30 or 40 or 50 or 60(A) Floating Charging Voltage: 13.8V or 27.6V (adjustable) Low Voltage Protection. 10.7V or 21.4V (adjustable) Self-Consumption: ≤12mA Working Temperature: -20℃-55℃ Waterproof Rating: IP32 1 x Solar Charge Controller 1 x User Manual 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.