The QOLTEC 50169 is a 5V DC, 2.1A, 10.5W switched-mode power supply with a 2.5/0.7 Out (or Output) plug. This power supply is designed for use in a wide variety of electronic and electrical applications, providing a stable power supply to power components, such as DC motors, LED lights, and other electronic equipment. The power supply features an efficient and reliable switched-mode topology, allowing it to produce a constant output voltage with excellent efficiency while consuming minimal power. Additionally, the plug is designed with a special shape that helps ensure a secure and reliable connection with corresponding connectors. This power supply is manufactured by QOLTEC, a leading manufacturer of electronic components.