This Seachoice Hourmeter reliably tracks engine hours and looks great with its bright, corrosion-resistant Stainless Steel bezel. This Hourmeter features a durable, high-impact polycarbonate case so it can withstand the rigors of the marine environment. It also has self-lubricating components, which reduces friction and extends the Hourmeter's service life. It mounts on a U-bracket, and its polarity insensitivity prevents installation errors. This is a 4V to 50V DC instrument, and it meets NMMA and SAE specifications. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.