Hour Meter, Display Type LCD, Time Range 0 to 9999999.9, Bezel Face Size 2.87 in dia., Bezel Face Shape Round, Bezel Face Type Panel Mount, Elapsed Time To 9,999,999.9, Operating Voltage 10 to 300VDC, 20 to 300VAC, Hz 50 Hz/60 Hz, Number of Digits 8, Display Units Hours, Width 2.87 in, Ambient Temp. Range 14 Degrees to 140 Degrees F, NEMA Rating 12, 4, Input Type 10 to 300 VDC, 20 to 300 VAC, Reset Type Remote, Temp. Range 14 Degrees to 140 Degrees F, Mounting Method Screw, Terminal Type Spade