The CURTIS INSTRUMENTS part 17305835 is a reliable and accurate hourmeter designed for a variety of applications. This solid state digital hourmeter is suitable for both AC and DC power sources and features a 2-wire design for easy installation. The hourmeter is electrically resettable, allowing you to easily track and maintain equipment usage. The display is a clear 5mm non-backlit design, featuring the Curtis logo for added branding. With a wide input voltage range of 12 to 48VDC nominal and 9 to 60VDC absolute, as well as a 20 to 60VAC nominal and 15 to 75VAC absolute range, this hourmeter is compatible with a range of power sources. Whether you need to monitor equipment usage or track service intervals, the CURTIS INSTRUMENTS part 17305835 is a versatile and reliable solution.