Home / Gas Price Changer / VisionMax by HDD (Hamilton Digital Designs) Fuel Price Controller View cart “GL_GMAN V3.2 Gas Price Changer LCD Add-On Module” has been added to your cart. VisionMax by HDD (Hamilton Digital Designs) Fuel Price Controller Categories: Gas Price Changer, Gas Price Changers Brand: Hamilton Digital Designs Description Description Gas price controller used in many Gas Price signs in Canada. Related Related products Daktronics Fuelight FL-3000 18″ Gas Price Changer Sign $1,500.00 Add to cart GS-8888 Gas Price Changer Read more GS-88899 Gas Price Changer Read more GL_GMAN V3.2 Gas Price Changer LCD Add-On Module $99.00 Add to cart