0 – 300 Milliampers DC, Analog Panel Meter, 3 InchProduct Details:Direct Read Surface Mount Panel MeterRange: 300 Milliampers DC with 5 Milliampers DivisionsMeter Input: Screw TerminalsLinear ScaleScale Arc: 100 DegreeAccuracy: Plus or Minus 2% Full ScalePanel Meter Mounts in ~ 2.14″ Diameter Round Hole.Dimensions: ~ 2.99″ Horizontal x 2.28″ Vertical x Overall Depth: 2.3″”Mounting Studs are 1.88″ Center to CenterBocatechBT2DCW18