Item Type: Solar Charge Controller Material: ABS Weight: Approx. 448g 15.8oz Size: Approx. 19.5 x 10.7 x 5.5cm 7.7 x 4.2 x 2.2in Working Current: 40A Voltage: 12V 24V (automatic switching) Waterproof Rating: IP32 1. Automatic Identification: The solar charge and discharge controller adopts automatic identification of system voltage level and intelligent PWM charging method. 2. Large Screen: Large screen, clearer to see, more detailed data, including digital display, voltage, current, load detection, battery level detection, charging detection, etc. 3. Dual USB Ports: The output of dual USB ports is more comprehensive, now meeting the needs of various electronic products. 4. Protection: The solar charge controller has built-in charge and discharge protection hour accumulation, battery reverse discharge, battery undervoltage, battery reverse polarity, overload and short circuit protection. 5. ABS Material: The solar charge controller is made of high-quality sturdy ABS material, which is wear-resistant and durable and can be used for a long time. KLB Store