Voltage Converter -Power Regulated Module Highlights Generic Brand Power Regulated Module Description: This adjustable regulation module with AC or DC input, the output voltage is 1.25V-28V DC continuously adjustable, versatile for DC board adjustable regulation module with LED display. 2A or less can be loaded, AC or DC voltage input. The output voltage is 1.25V-28V DC continuously adjustable, versatile for DC board. Using two adjustment potentiometer to ensure good contact, effectively protect the load. Specification: Input Voltage: DC: 0-30V; AC: 0-22V Output voltage: DC 1.25-28V Output current: 2A (max.) Size: Approx.62 * 59 * 27mm / 2.44 * 2.32 * 1.06in (L * W * H) The package includes: 1xLM317 AC/DC Adjustable Voltage Regulator Module Note: The minimum deviation between input and output is 3V; the input must be greater than the output voltage above 3V to regulate. Buck, not boost, when 5V input output 1.25-2V, not 6V.