Home / Gas Price Changers / VisionMax by HDD (Hamilton Digital Designs) Fuel Price Controller 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 products 18″ LED Gas Station Electronic Fuel Price Sign $799.00 Add to cart Daktronics Fuelight FL-3000 18″ Gas Price Changer Sign $1,500.00 Add to cart GS-88899 Gas Price Changer Read more GS-888910 Gas Price Changer $1,000.00 Read more