Features: This module a step up module, can not step-down, only used for DC direct current. Input 2-24V Output 3-28V continuously adjustable (using multi-turn tight potentiometer). The circuit adopts switch type energy storage conversion. With the advantages of high efficiency, low heat, small size, etc. The output peak value can reach 2A Specifications: Product Name: DC Boost Module Specifications Model: XH-M415 Main function: synchronous boost module Input voltage: DC2-24V Output voltage: DC3-28V Output current: peak 2A Appearance size: approx 3.2x1.6cm/1.26x0.63in Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-3mm measuring deviation due to manual measurement. Package includes: 1PC xXH-M415 DC Boost Converter Module