With digital display for intuitive observation. Accurate and stable parameter display with low power consumption. Simple installation, stable performance, anti-vibration, and anti-shock design. Smoke lens during the day, clear and bright LED display at night. Adds a racing look and feel to your vehicle; high quality and lightweight construction. High accuracy and easy operation. Easy installation for convenient use. Compatible with 4, 6, and 8 cylinder gasoline cars. Item Type: Car Auto Tachometer Condition: New Product Name: Tachometer Gauge Voltage: 12V Length: 75mm / 2.95in Diameter: 57mm / 2.24in Measurement Range: 0~8000RPM Feature: LED super bright display Includes installation manual Fitment: Universal fit for 2 inch / 52mm diameter tachometer gauge Note: Compatibility is for reference only. Please verify fitment with your vehicle before purchase. Wire Connection: Black: Negative Red: Positive Green: Signal Line Color: Black + White Material: Plastic + Metal Package Contents: 1 x Tachometer Gauge 1 x Manual Note: Light and screen display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3cm.