Features 1、Dual USB Ports: 12V/24V PWM solar controller dual USB terminal output is more convenient, in line with the needs of various electronic products. 2、LCD Display: PWM solar controller adopts an LCD display, which clearly displays the current battery power status, allowing users to understand the working status of the controller. 3、Double Button Operation: PWM solar charge controller adopts double button design, which makes the operation easier and easier to learn, and there is no need to worry about parameter adjustment. 4、PWM Charging Mode: 12V/24V solar charge controller adopts PWM charging mode, which is convenient and fast, and the working temperature is ‑20℃~ +55℃. 5、Easy to Use: PWM solar charge controller is easy to operate and small in size, easy to store and carry, without taking up too much space. Specifications Item Type: 12V/24V PWM Solar Controller Material: ABS, Aluminum Charging Mode: PWM Working Temperature: -20℃ to +55℃ Product Size:Approx. 187 x 95 x 45mm / 7.4 x 3.7 x 1.8in Weight: Approx. 400g / 14.1oz Package List 1 x 12V/24V PWM Solar Controller 1 x User Manual