Measuring Range: DC 0-10mA Meter Face Size(Approx): 64 x 56 x 10mm/ 2.5' x 2.2' x 0.4'(L*W*T) Thread Size: 2.5 x 9mm / 0.01' x 0.35'(D*L), 2.5 x 8mm / 0.01' x 0.31'(D*L) Overall Depth: 56mm/ 2.2'