1⁄8 DIN panel meters feature the ability to change display color when the monitored data exceed a preset limit, providing operators with instant visual alert to changes in application status. Large, super-bright 5-digit 0.71" LED display can also be set to a constant red or green color. Fully programmable feature set accommodates a wide range of applications. Power Source: 90 to 246 VAC, 50/60 Hz.