ITEM NAME:5A XL4015 DC-DC Step Down Module Buck Converter Power Supply Regulator OIE Descriptio n Description: XL4015 5A DC Buck Step-Down Adjustable Voltage Power Converter LED Voltmeter Specifications: Material: Double-Sided PCB Board + Electronic Original Device Color: Blue Size: 66 *39 *18 Mm Package Included: Step-Down Module *1 Note: 1.Due To The Manual Measurement And Different Measurement Methods, Please Allow 2-3mm Deviation. 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! XL4015 5A DC Buck Step-down Adjustable Voltage Power Converter LED Voltmeter.We'd like to settle any problem in a friendly manner. Step-Down Module 1. Material: Double-Sided PCB Board + Electronic Original Device. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.