Curtis Instruments 700FN001N48150D100230A Solid State Digital Hourmeter - AC/DC Only - 2-Wire - Non-resettable - 5mm - Non-backlit Display (Standard) - No Logo - 48 to 150VDC nom. - 36 to 185VDC abs. - 100 to 230VAC nom. - 75 to 270VAC abs.