Features: Efficient 12V to 5V converter delivers stable 3A/15W output with high conversion efficiency for reliable power supply in automotive and DIY electronics. small plastic build module features tool without installation and overcurrent defense , ideal for space constrained projects requiring electric regulation. designs for electronics enthusiasts, engineers, and technicians working on vehicle upgrades, LED installations, or circuit designs. Optimized for 12V to 5V conversion in car charges , home automation systems, and easy carry devices needing stable low electric operation. hard power supply module maintains consistent 5V output under load change , for safety in both indoor lighting setups and outdoor equipment integration. Specifications: Component : plastic Length: about 5.2cm/2.05inch Package Includes: 1xVoltage Regulator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.