Lascar Dpm 2000S of Digits / Alpha:3-1/2; Meter Function:DC Voltage; Meter Range:0mV to 200mV; Digit Height:15mm; Panel Cutout Height:33mm; Panel Cutout Width:68mm; Supply Voltage Min:3.5V DC to 6.5V; Supply Voltage Range:3.5V DC; Supply Voltage V DC:5V; Temperature Stability + @:30 ppm/C.