Welcome to the store! 1. ST's high-quality components are used to ensure the long-term use of the product 2. The controller can work at full load in ambient temperatures of -15-50 °C 3. Configured with 3 levels of intelligent PWM charging: bulk, boost/equalize, float charge 4. Supports 4 charging options: Sealed, Gel, Flooded, and User 5. The LCD display design dynamically shows the unit's operating data and operating status The controller is a PWM charge controller with an LCD display and state-of-the-art digital technology. A variety of load control modes allow it to be used in solar home systems, traffic lights, solar street lights, solar garden lights, and so on. Features: ST's high-quality components are used to ensure the long-term use of the product. The controller can work at full load in ambient temperatures of -15-50 °C. Configured with 3 levels of intelligent PWM charging: bulk, boost/equalize, float charge. Supports 4 charging options: Sealed, Gel, Flooded, and User. The LCD display design dynamically shows the unit's operating data and operating status. Dual USB design, power charging for electronic devices. User-friendly button settings make operation more convenient and comfortable. Configure multiple load control modes. Battery temperature compensation. Specifications: Material: ABS Voltage: 12V/24V Maximum Generation Current: 30A Self-loss: ≤13MA Charging Mode: PWM Working Temperature: -20°C ± 55°C Waterproof Level: IP32 Weight: Approx. 411g / 15.5oz Size: Approx. 18.7*9.5*4.9cm / 7.4*3.7*1.9in Package List: 1 * Solar Controller 1 * User Manual Note: 1.Please allow 0-1 inch error due to manual measurement. Thank you for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!