Features:

• 100% brand new and never used.
• Lighting on the dial for easy reading in the darkness.
• Smoked mirror to avoid LED light too glare or astigmatism.
• The mirror of this product is black when it is not working, it's not transparent.
• Add a racing look and feel to your ride, high quality and light weight.
• Easy Installation with users manual in English.
• Professional installation is highly recommended.

Specifications:

• Color: Smoked Dial, White LED display
• Material: ABS
• Type: Electronical
• Display Range: LEAN-OPTIMAL-RICH
• Diameter of Screen: Approx. 52mm / 2in.
• Outside Diameter: Approx. 57mm/2.24in.
• Fitment: for most 12V vehicles
• Power: DC(10-15V) 12V Professional

Oxygen Sensor Specification:

• OEM:0258006028
• Working Voltage: DC12V
• Spiral: M18*1.5
• Use Wrench: 22mm
• Output Voltage: Maximum value ≥900mv/ minimum value ≤50mv
• Response time: (600mV-300mV) ≤100ms
• Response time: (300mV -600mV) ≤100ms
• Starting time: ≤10s
• Heating resistance: 8.5~9.5Ω
• Internal resistance: 200~300Ω

Package include:

• 1 x Air/Fuel Ratio Gauge
• 1 x English Manual
• 1x O2 Oxygen Sensor