Features: This 3A multiple channel step down power supply module delivers stable 3.3V/5V/12V outputs with reverse connection protective, over current protective, and shutdown for circuit safety in electronics project. Featuring four independent converter channel, it supports wide input for power management solution. Ideal for electronics engineers and industrial automation developers requiring multiple distribution in systems. Perfect for prototyping workbenches, device testing, robotics power systems, and electronics projects demanding simultaneous stable power outputs. The ABS regulator board integrates ±3% output accuracy and protective, ensuring vibration prone environment. Specifications: Component:Metal Size:Approx.88x55mm/3.46x2.17inch Package Includes: 1Pc Power Supply Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.