The Riviera LED bulb is the replacement part for the night-time illumination of Riviera magnetic compasses, designed to keep the graduated card clearly readable in the dark with the low power draw typical of LED technology. Available in 12V and 24V versions to match the onboard electrical system. It's the correct spare part to replace the original bulb once worn out or damaged.Technical specificationsType: LEDPower supply: 12V or 24V (see variants)Compatibility: Riviera Artica, Zenith, Phoenix, Urania series compasses