This Eaton E5-024-C0400 LCD hour meter displays eight digits to measure elapsed machine operation time in hours, is lithium battery powered, and rolls over to zero to continue counting when the hour limit is exceeded. The meter enclosure mounts through a 1.77" wide x 0.87" high panel cutout. It accepts 0-0.7VDC or 4-30VDC counting input voltage for low and high-range counting and has an operating temperature range of –14 to +131 degrees F (–10 to +55 degrees C). This hour meter is Underwriters Laboratories Recognized (UR) and European Conformity (CE) compliant for quality assurance and is suitable for use with equipment such as appliances to measure service intervals.