1、Multiple protections: With built-in multiple protections functions, it is safer and more reassuring to use. After troubleshooting, they are all-self recovery types and will not damage the controller. 2、Industrial grade main control chip: Adopting industrial grade main control chip, with 16 levels of AD sampling accuracy, accurate real-time display of temperature and recharging current, and clear powergeneration. 3、Automatic focusing MPPTtracking recharging: High recharging efficiency, uninterrupted detection during recharging process, bidirectional focusingtracking. 4、Large LCD display screen: adjustable recharging and discharging parameters. Wide recharging and discharging adjustable, as long as you understand the battery characteristics and set corresponding recharging parameters, you can recharge the battery. 5、Dual Direct Current  load: Dual Direct Current 5.0 load output, easy to connect. This solar controller is a versatile and reliable solution for a variety of applications, including home solar power systems, outdoor RVs, solar street light, and marine vessels. Designed to regulate and optimize the recharging of your solar panels, this controller ensures maximum efficiency and longevity for your solar power system. With easy installation and user-friendly controls, this solar controller is the perfect choice for solar system users. Features: Multiple protections: With built-in multiple protections functions, it is safer and more reassuring to use. After troubleshooting, they are all-self recovery types and will not damage the controller. Industrial grade main control chip: Adopting industrial grade main control chip, with 16 levels of AD sampling accuracy, accurate real-time display of temperature and recharging current, and clear powergeneration. Automatic focusing MPPTtracking recharging: High recharging efficiency, uninterrupted detection during recharging process, bidirectional focusingtracking. Large LCD display screen: adjustable recharging and discharging parameters. Wide recharging and discharging adjustable, as long as you understand the battery characteristics and set corresponding recharging parameters, you can recharge the battery. Dual Direct Current  load: Dual Direct Current 5.0 load output, easy to connect. Specifications: Current: 30A, 40A, 50A, 60A, 70A, 80A, 90A, 100A (optional) Material: PVC USB output voltage: 5V/2A Working temperature: -35℃ to 60℃ Voltage: 12Volt/24Volt Automatic Identification Item size: 170 * 95 * 40mm / 6.7 * 3.7 * 1.6in Package size: 175 * 105 * 45mm / 6.9 * 4.1 * 1.8in Package weight: 320g / 11.3ounce Packing List: 1 * Solar Controller 1 * Solar Controller 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. Sold by-YJL official store