Enda-EI7412-Programmable-Universal-LED-Indicator-Displays-with-Relays-Enda-EI7412-SM-AS12-SW-p-This-programmable-panel-mounting-display-is-used-to-indicate-the-value-of-one-of-four-input-types-voltage-or-current-The-unit-has-a-12V-DC-50m A-auxiliary-power-supply-output-&-2x-relay-outputs-Additional-features-include-an-easy-to-use-front-panel-keypad-&-a-4-digit-LED-display-with-an-adjustable-display-scale-&-adjustable-decimal-point-4-step-adjustable-sampling-time-&-a-unit-of-measu