Wide Voltage Power Supply Regulator Module DC5V USB input with adjustable DC124V output. This general module delivers up to 3W for powering various electronics while traveling, with a multiturn potentiometer for quick voltage adjustments. RealDisplay Mechanism Builtin LCD screen that dynamically shows the output voltage. This realtime display provides immediate visibility and helps ensure stable performance across wide and humidity environments. Compact And Efficient Design Compact ABS housing as pictured, offering low power consumption and easy installation. Suitable for DIY projects and general electronic applications that require reliable power conversion. Versatile Application Scenarios Functions as a boost/ converter for numerous devices, helping to avoid compatibility issues. Designed to operate effectively in diverse settings from workshops to portable setups. Use scenarios Portable development and hobby projects: power microcontrollers and sensors from a USB input with adjustable output between 1 and 24V, up to 3W, enabling flexible prototyping on the go. DIY electronics repairs and prototyping: a compact, lowpower supply with a realtime voltage readout to test modules and boards in a workbench or field setup. Onsite testing and demonstrations: serves as a reliable portable voltage source for verifying devices and batteries that require variable DC voltage.