Specifications Display 0.37", easy to read Red, Blue or Green LED display. Overrange: three lower order digits blank. Supply Voltage: 85-264 Vac, 30-50 mA. Backlight Optional: Red, Blue or Green. Performance Accuracy: ± .5% ±6 counts. Sampling Rate: 2.5 per second. Accessories DLA-BEZ-20-G: Bezel Assembly.