BL0182-09 AFR Gauge Specification: 1, This gauge work with Stepper motor and electronic sensor. 2, Stepper Motor is more fast more accurate. 3, Turbo Gauge, Vacuum Gauge, EXT Temp Gauge, Oil Press Gauge, Volt Gauge, Oil Temp Gauge, Water Temp Gauge, Tachometer & Vacuum Gauge are available. 4, Gauge dials are invisible while the ignition switch is off. Once the ignition switch is turned on, a clear display appears with white LED illumination. A red emitting needle pointer increases visibility. 5, The illumination color can be adjustable to 7 Colors 6, Double Warning function by a meter's LED lamp and a beep 7, only for 12V vehicles 8, work without the control unit 9, This is universal meter gauges that can fit any car 10, Gorgeous Opening mode and Ending model. BL0163-5058 AFR Gauge Specification: -Color:Black -Voltage:DC 12V -Diameter:52mm/2" -Material:Plastic -Quantity: 1 Set Oxygen Sensor Specification: -OEM:0258006028 -Working Voltage: DC12V -Signal Line Voltage: 0-1V -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: 8.5~9.5 -Internal resistance: 200~300 BL0045-6238 AFR Gauge Specification: - Easy to install,easy to use - Universal fit for 12 volt car - Black Case - Black Gauge Ring - Size: 52mm diameter or 2 inch gauge BL0158-6238C AFR Gauge Specification: - Easy to install,easy to use - Universal fit for 12 volt car - Black Case - Black Gauge Ring - Size: 52mm diameter or 2 inch gauge BL0156-6268 AFR Gauge Specification: 1.Racing look enhance the characteristic to your car. 2.Comes with installation manual. 3.Smoke tint lens during the day,Clear and bright LED Display with 7 colors during the night. 4.The button on the lens can switch the color of light you want. Fitment : Universal Car 2"/52mm diameter Air Fuel Ratio Gauge BL0015-6258 AFR Gauge Specification: 1. 100% New in Box & Good Quality. 2. This is One Gauge With Two Color (Blue & Red) 3. Add a racing look and feel to your ride,High quality and light weight. 4. Smoke tint lens during the day,Clear and bright LED Display during the night. Wiring Instructions: Black -- Ground negative Red -- 12V accessory Power White -- Engine accessory power Orange -- Head light switch (12V switch power) Green -- Press nsor (connect to green wire from sensor)