Curtis Instruments 701FR001O1248D2060A Solid State Digital Hourmeter - AC/DC Only - 2-Wire - Electrically Resettable - 5mm - Non-backlit Display (Standard) - Curtis Logo - 12 to 48VDC nom. - 9 to 60VDC abs. - 20 to 60VAC nom. - 15 to 75VAC abs.