maimeimi gps speedometer 85mm 3-3/8" digital boat gps speedometer gauge waterproof mph knots km/h adjustable for car marine truck motorcycle 9-32v (white) is up for auction in Automotive. The current bid is $2.00, 96% below the $52.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.