The Fireboy-Xintex G-1B-R Marine Black Round Gasoline Fume Detection System is a reliable boat alarm system designed to detect gasoline fumes. This product operates on a voltage range of 9 – 36 V DC and comes with a manufacturer part number of G-1B-R. It is a high-quality gas detector specifically designed for boats and marine environments, providing peace of mind against potential gasoline vapors. The black round design adds a sleek and stylish look to the boat’s dashboard while ensuring safety and security on the water.