BHoneywell Hobbs Hour Meter DC Quartz 12-60 vdc 82321 ReviewbP PP Honeywell Hobbs Hour Meter DC Quartz 12-60 vdc 82321 P12-60 Volt DC (80 Volt DC Max)PFace: 1.5" (W) x 1" (H)PBody depth behind face: 2.1" (2.6" to end of electrical connectors)PMaximum time range: 9999.