Features: High efficiency step down adapter module convert 9V/12V/24V/36V to stable 5v 5a output with 95% conversion rate for power supply solution. With overcurrent protective for safe operation across automotive/industrial inputs. Ideal for electronics hobbyists, engineers, and DIY developers regulation in prototyping and hardware projects. Perfect power for car electronics, home gadgets, and portable devices requiring stable 5v 5a power. Universal compatibility seamlessly integrates into existing circuits while maintaining thermal performances and energy efficiency. Specifications: Size:Approx. 54x28mm/2.12x1.10inch Input: DC9V-38V Input Power: 30W Output: DC5V/5A Conversion efficiency: 95% Working temperature: -40℃-+85℃ Load capacity: 5A Package Includes: 1Pc Step Down adapter 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.