Back-Lit Barometer designed for night sailing. Our latest design and it is a beauty! Specially designed dial can be illuminated during dark, gloomy or night conditions. Allows easy reading of the barometer night and day! The lighting is battery driven with a toggle switch to turn on and off. The Barometer case is heavy cast brass which has been beautifully chromed, varnished and lacquered. The hinged door designs allows easy access for instrument adjustments and changing battery. This design is water resistant for design elements including the instrument case and toggle switch. Flange mounting – chrome screws included.