0 – 50 Amp DC Analog Panel Meter, 3 InchProduct Details:0-50 Amp DC Non-Linear Scale with 2.5 Amp Divisions50 Amp / 50 mV Shunt Required (NOT Included)Meter 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 2.3″ (H) x Overall Depth: 1.3″Mounting Studs are 2″ Center to CenterBocatech, IncBTMM2-50ADC