Features: Adjustable regulator 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 double adjustment potentiometer to ensure good contact, effectively protect the load.
Notice: The minimum differential between input and output is 3V AC/DC LM317 Step-down Voltage Regulator Power Supply Module LED Voltmeter