This rectangular Seachoice Hourmeter reliably and accurately tracks engine hours to help you maintain a routine maintenance schedule. 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. Reliably logs engine hoursHelps you track when it's time for routine maintenanceHas a durable, high-impact polycarbonate case to help it withstand rigors of the marine environmentReliability is enhanced by self-lubricating operation, which reduces friction and extends service lifeReliable U-bracket and instrument's polarity insensitivity prevents installation errorsThis is a 4V to 50V DC instrumentMeets NMMA and SAE specificationsManufacturer part number 50-15321