The universal exterior-light monitor continuously checks all of the rear exterior lights on a school bus, alerting the bus driver to any failures. The unit can work with LED or incandescent lighting (or a combination of both) for below- and above-the-belt applications. The unit can monitor four, eight, 12 or 16 lights. The monitor is fuse-protected for accidental overloads. An optional remote faceplate, which offers the same features as the original model but with a dashboard-mounted faceplate, is available.

Doran Manufacturing, Cincinnati, Ohio
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