Features:\rbrand new and high quality\rIndustrial-grade main control chip, 16-level AD sampling accuracy. Temperature, charging current and discharging current are accurately displayed in real for time, and the power generation is clear at glance.\rMPPT auto-focusing technology track charging, with high charging efficiency, detection during charging, and two-way focusing tracking.\rLarge LCD display with adjustable charging and discharging parameters. The ultra-wide charging and discharging parameters can be adjusted, so long as the characteristics of the battery and its corresponding charging parameters are known, it can be used to charge battery, and the output is turned off. Minutes and hours can be adjusted, so it is more convenient.\rComplete 3 stage charge management to effectively protect the battery and make the battery more durable.\rBuilt in over heat, overcurrent, short circuit and reverse connect for protection. When the fault is eliminated, controller itself automatically resumes operation without damaging controller.\r\rSpecifications:\rMaterial:Fireproof for Shell Aluminum Plate\rVoltage: 12\/24V\rCurrent: 30A\/40A\/50A\/60A\/80A\/100A\rSize:Approx.168x95 mm\/6.61x3.74 inches\r\rNote:\r1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. \r2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.\r\rPackage includes:\r1x Solar Charging Controller