🚗 Elevate Your Drive with Precision Monitoring! Crafted from high-quality plastics for durability and anti-aging. Dual display for air-fuel ratio and battery voltage at a glance. 52mm gauge fits most cars, trucks, and motorcycles effortlessly. Enhance vehicle performance with real-time air-fuel ratio monitoring. Simple installation process for a hassle-free upgrade. 2-in-1 functionality 12V compatibility Easy installation The GoolRC Digital Air Fuel Ratio Gauge Kit is a versatile 2-in-1 meter designed for 12V vehicles, providing real-time insights into air-fuel ratios and battery voltage. With a durable 52mm gauge, it’s perfect for car enthusiasts looking to enhance performance and safety on the road.