Features: 1. Data Display: The screen displays a variety of real-time data, allowing for easy user monitoring and inspection. 2. Low Power Consumption: Utilizes ultra-low power consumption chips to reduce static standby power and overall energy usage. 3. Dual Period Control Mode: Features USB 5V output for charging mobile devices and powering fans, with dual period control for improved heat dissipation performance. 4. MPPT Technology: Equipped with MPPT (Maximum Power Point Tracking) technology to maximize the solar panel's power output, delivering higher charging efficiency and increased current. 5. Application: Automatically detects 12V and 24V system voltages, suitable for use in RVs, commercial vehicles, boats, and yachts. Specifications: Item Type: Solar Charge Controller Material: Aluminum, ABS Gross Weight: 326g / 11.5oz Product Size: 14.3 x 8.7 x 4.5cm / 5.6 x 3.4 x 1.8in Voltage: 12V / 24V Rated Current: 20A Power Rating: 260W (12V), 520W (24V) Operating Temperature: -10°C to 60°C Storage Temperature: -30°C to 70°C Application: Solar power systems Package List: 1 x Solar Controller 5 x Expansion Tube 5 x Short Screw 5 x Long Screw 5 x Nut 1 x Instruction Manual 1 x DC Head