STREET INDIGLO® MECHANICAL BOOST GAUGE Electroluminescent white face that glows blue when you switch on the power Digital Morphing control (sold separately; 49ZX9304P) lets you change the face color (from cool blue to neon green) and intensity for a radical look in any setting Made to the highest quality standards for unparalleled precision and accuracy 2" diameter. Range: 0-30 psi pressure, 0-30" vacuum. Sweep: 270°. Ultra-slim design for easy mounting almost anywhere—all needed fittings and adapters are included. Vibrationproof air-core meter. Brushed aluminum bezel—different color bezels sold separately. Easy-to-read black numerals.