52mm Air Fuel Ratio Gauge 12V Precise AFR Gauge Kit with O2 Oxygen Sensor LED Digital Display Car Volmeter Gauge Car Accessories Detailed description: Product Name: Air Fuel Ratio Gauge Color: Black Material: Plastic Working voltage: 12V Signal line voltage: 0-1V Output voltage: maximum value 900mV/minimum value 50mV Response time: (600mV-300mV) 100ms Start time: 10s Heating resistance: 8.5-9.5 Internal resistance: 200-300 Installation diameter: 52mm/2in Product size: 575740mm/2.22.21.6in Parts List: 1Air Fuel Ratio Gauge Kit 1Oxygen Sensor 1Cable 1Manual Highlight description: [2 in 1 AFR Gauge] This 2 in 1 air fuel ratio gauge can display air-fuel ratio and battery voltage, which is accurate and easy to read. It can improve vehicle performance and make driving safer. [Good Material] This air fuel ratio gauge is made of high quality plastic material, which is sturdy and anti-aging. The working voltage is 12V and installation diameter is 52mm/2inch. [What You Get] The package includes 1 air fuel ratio gauge kit, 1 oxygen sensor, 1 cable and 1 manual. It is reliable and easy to install, which is a good car modification accessory. [Widely Uses] Our universal 52mm/2inch air fuel ratio gauge is suitable for 12.0V motorcycles, cars, trucks, gasoline engines. Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. _x000D_