0 – 30 Volt DC Analog Panel MeterProduct Details:Direct Read, 12 Volt DC Battery Monitor MeterRange: 0-30 Volt DC with 1 Volt DivisionsMeter Input: Screw TerminalsNon-Linear ScaleScale Arc: 100 DegreeAccuracy: Plus or Minus 2% Full ScalePanel Meter Movement Cutout ~ 1.13″ x 0.72″ (See Image 2)Dimensions: ~3″ (W) x 2.25″ (H) x Overall Depth: 1.25″Mounting Studs are 2″ Center to CenterBocatech, IncBTMM2-30VDC