Features: Experiences power conversion with this stepping down converter module featuring double USB outputs, supporting 9V/12V/24V/36V inputs to deliver stable 5V/3A output for efficient device charging and electronic projects. Engineered with advanced PCBs components and built in overload protections, this 3A power supply module ensures safe operations during simultaneous charging of multiple devices through its double USB ports. for electronics enthusiasts, hobbyists, and automotive users needing voltages regulation for mobile devices, portable gadgets, and in vehicle charging systems. Optimized for car charging stations, home electronics workbenches, and industrial setups requiring stable 5V power conversion from variable sources to USB powered equipment. Compact yet this voltages regulator module maintains consistent performances across diverses input voltages, making it essential for power sensitive installations and multiple device charging solution. Specifications: Materials: PCB + electronic components Size: 59x21x17mm Input: 6V-40V, current 3A Output: 5V/3A Switching frequency: 150KHZ Working temperature: -40℃-+85℃ Load capacity: output 3A Package Includes: 5Pcs stepping down Regulated Power Supply Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.