Features 1、Solar Controller: Large LCD screen displays charging and discharging current, cumulative power generation and discharge information, temperature, light control and delay control, adjustable charging and discharging parameters, with power off memory function. 2、USB Output: Equipped with dual USB outputs, supporting charging for IOS devices. With dual USB ports outputs, this charge controller is great for those who need flexibility in their charging solutions. 3、Efficient Charging Management: Complete 3 stage charging management with built in maximum power tracking algorithm, significantly improving energy utilization efficiency of photovoltaic systems. 4、Overcurrent Protect: In the event of excessive power from the solar panel, the controller automatically reduces charging efficiency to work within the rated charging current, protecting the controller from damage. 5、Comprehensive Protect: Solar charging controller is built in overcurrent, short circuit, open circuit, reverse protect, all self recovery type protections, safeguarding the controller. You can use it with confidence. Specifications Item Type: Solar Charge Controller Material: ABS Size: Approx. 16.5x9x3.8cm / 6.50x3.54x1.50in USB Output: 2, 5V/2A (maximum) Voltage: 12/24V (auto adaptive) Operating Temperature: -35°C to 60°C Features: Large LCD screen displaying battery voltage, temperature, solar charging current, output load current; Autofocus MPPT tracking charging with high charging efficiency; Equipped with all necessary protect devices; R5.0 solar charging DC connector, R5.0 lamp output DC connector Package List 1 x Controller 1 x Instruction Manual