ITEM NAME:5 Pc LM2596 DC-DC Buck Converter Step Down Module Power Supply Output 1.23V-30V Descriptio n Features: 100% Brand new and high quality. Specifications: Material: PCB + electronic components Input voltage: 4V - 35V Output voltage: 1.23V - 30V Output current: 3A (Max) Size: about 43 * 21 * 12 mm / 1.7" * 0.83" * 0.47" Main color: Blue Package Included: 5x LM2596 module Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 5pcs LM2596 DC-DC Buck Converter Step Down Module Power Supply Output 1.23V-30V.5x LM2596 module. We'd like to settle any problem in a friendly manner. Output current: 3A (Max). We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. Main color: Blue.