Home / Gas Price Changer / 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 Gas Price Changer RF Remote Control (GL-OIL-RF) $99.00 Add to cart GS-888910 Gas Price Changer $1,000.00 Read more 18″ LED Gas Station Electronic Fuel Price Sign $799.00 Add to cart GS-888 Gas Price Changer $900.00 Add to cart