Convert unstable 12V-24V DC power supply to stable 5V 5A DC output. Overvoltage, overcurrent, overtemperature, automatic short circuit protection and return to normal working conditions. Indispensable for car audio systems or other 5V car products (especially useful in vehicles with 24V power supply). Input voltage: 12/24V, output: 5V/5A. < p>Widely used in automobiles, monitoring systems, railway signals, medical equipment, instruments and meters, LED products, LED strips, TV cables and other low power test systems.