***********Convert unstable 8V-40V DC power supply into stable 5V 5A DC power output******Over-voltage, over current, over temperature, short circuit auto protection, and can return to normal conditions in the work******Essential for car audio system or other 5V car products (particularly useful in vehicles with 24V power supply) ******Input voltage: 12/24V(8V-40V), Output: 5V/5A******Widely used in automotive, surveillance systems, railway signals, medical equipment, instruments and meters, LED products, LED strips, cable TV and other low power test systems