Adjustable Power Supply Module 5A Boost Module LCD Digital Automatic Step-up Step-down Voltage Module DC-to-DC Power ConverterCurrent Type: DC Usage: SVC Model Number: Step Up Module Brand Name: VBESTLIFE is_customized: Yes Phase: Automatic Step Down Module Product name: Automatic Step Down Module Type: Power Supply Module Feature: Step Up Module Item: Boost Module Goods: Digital Power Supply Module Feature 1: Automatic Step Down Module Feature 2: DC to DC Power Converter Feature 3: alimentation reglable