[img]https://brickinsights.com/index.php/crop/teaser_compact/sets/4548-1.jpg[/img] 
[url="https://brickinsights.com/index.php/sets/4548-1"][b]4548-1 Transformer and Speed Regulator[/b][/url] 70 / 100  
[url="https://brickset.com/reviews/set-4548-1"][/url] 74 / 100  
[url="http://guide.lugnet.com/set/4548"][/url] 65 / 100