Features: The JW3510 Boosts Converter Module features intelligent step up/down design with stable voltages output and constant current, ideal for portable sound and projectors requiring power. Built with metal housing and high performances PCB board, this module ensures optimal heat dissipation and extended durability compared to plastic. Designed for electronics enthusiasts and professional engineers, it simplifies power conversion tasks during device development and testing phases. Performs reliably in outdoor environments and industrial applications where temperature fluctuations demand robust power supply solution. Its compact structure enables seamless integration into space constrained projects while maintaining compatibility across multiple electronic devices. Specifications: Component: Metal, PCB board Size: Approx. 1.57x0.62inch(4x1.6cm) Package Includes: 1x boosts Power Supply Module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.