Features: This module delivers stable 3.3V, 5V, and 12V output from 12V input, featuring high efficiency conversion for minimized energy loss Integrates LED power indicators and circuit protective, ensuring reliable electricity regulation for electronics and industrial applications. Ideal for electronics enthusiasts, engineers, and industrial designers requiring multi electricity solution for LED driver, or microcontroller systems. Effortlessly power single board computers, prototyping circuits, and automation setups in workshops, or installation with its space efficient form factor. Engineered with electricity control and thermal management, this module maintain stable outputs under varying loads for uninterrupted device operation. Specifications: Size: Approx.59.5x26.5mm/2.34x1.04inch Converting electricity: 12V to 3.3V 5V 12V Interface: 5.5x2.1mm Package Includes: 2 Optional Package: Package 1 Include:1Pc electricity adapter Package 2 Include:3Pcs electricity 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.