AC-DC Buck Step-down Converter

Parameters:
Input voltage range: AC 5V~20V, DC 5V-32V
Output output range: DC 3.3V~18V
Output current range: up to 2A
Dimensions (length, width and height): 36mm X 29mm X 23mm
 
Great for setting up building lighting, coach lighting. Very useful for many differnt applications in model railways.