About this item *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 operation *Essential for car audio systems 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 Dimensions: 2.76 x 2.2 x 0.63 inches