Feature:
The 52 mm (2-1/16") gauge housing ensures that it fits most instrument pods and can be installed almost anywhere.
Air/Fuel Ratio readings from 10.00 to 20.00 AFR.
Numbers clearly show LED backlit for easy reading in the darkness.
Made of durable material, and have a long service time.
Air fuel ratio gauge compatible for 12 volt car. Good sensitivity and easy operation.
The gauge includes an oxygen sensor, electric wire, and other mounting installation hardware, you can directly replace it

Specification:
Color: Black
Material: Plastic
Working Voltage: DC12V
Oxygen Sensor OE: 0258006028
Light Colors: Red, Orange, Green, Blue
LED Numbers: 20 Pcs LEDs
Signal Line Voltage: 0-1V
Type: Air Fuel Ratio Gauge
Thread: M18*1.5
Gauge Diameter: 2-1/16” / 52mm
Air Fuel Ratio Gauge Size: 5.7x4.2cm / 2.13"x1.65"(L*W)
Black Wire Length: 60cm / 23.62"
White Wire Length: 39cm / 15.35"
Oxygen Sensor Length: 30cm / 11.81"

Package Includes:
1x Air Fuel AFR Gauge
1x Narrowband Oxygen Sensor
1x Holder
1x Cable
1x English Manual