Features 1EXCELLENT CHIP: The solar panel controller adopts industrial grade main chip with 16AD sampling accuracy, with accurate real time discharge current display. 2MULTIFUNCTIONAL: Autofocus track loading, high charging efficiency, uninterrupted detection and charging, bi directional focus track. 3CIRCUIT PROTECTION: The solar controller has over current, short circuit, reverse connection, disconnection and automatic recovery protection to ensure safe operation. 4HIGH EFFICIENCY: The solar panel controller adopts MPPT technology with tracking efficiency up to 99%, which greatly improves power generation efficiency. 5OTHER FEATURES: Solar controller with LCD display, clear and intuitive, with dual USB ports, easy to connect and use, suitable for home, industrial, commercial etc. Specification Item Type: Solar Charge ControllerMaterial: ABSWeight: Approx. 287g / 10.1ozSystem Voltage: 12V 24V Automatic IdentificationOutput: 2 x USB Port, DC5V 2A Package List 1 x SolarChargeController1 x Instruction Manual