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) Widely used in automotive, surveillance systems, railway signals, instruments and meters, LED products, LED strips, cable TV and other low power test systems Conversion efficiency: 90% Maximum working temperature: 80Celsius Output power: 50W colour:Black Material:Metal + plastic size:6.3 x 5.2 x 1.8cm Package Contents: 1 x 24V/12V to 5V power converter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.