[Advanced Boost Technology]This fully integrated solution provides a traditional constant voltage output with BOOST function and integrated MOSFET to minimize the need for external components, thus achieving a more compact and cost-effective system. [5A Current Capacity]The XL6019 module is a high-performance DC-DC adjustable boost power supply that can handle up to 5A of current and is suitable for a variety of applications that require reliable power conversion. [User-friendly Voltage Adjustment]Use the blue potentiometer knob to fine-tune the output voltage (counterclockwise for general decrease, clockwise for increase) and monitor the output with a multimeter to ensure it meets your specific voltage requirements. [Enhanced Safety Features]The module is equipped with built-in overheat protection and comprehensive overcurrent protection circuits to ensure high reliability and safe operation during use. [Proper Connection Guide]It is critical to properly connect the input and output terminals to ensure the module works properly and maintain safety standards. Colour:Black Material:ABS Package Contents: 3 * adjustable boost power modules Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.