Specification: Product Name: Oil Temperature Gauge. Material: Metal. Housing color: White. Face Color: Black. Voltage: 12V. Size: 57mmx54mm. Oil Temperature Reading from 40 to 150 Degrees Wire Connection. Red: 12v ignition switch. Green: sensor Gport. Yellow: 12v dash lighting / 12v ignition switch. Black: vehicle ground. Features: 1. 2 (52mm) Black Face Gauge with a Magnified Tinted Lens. 2. Gauge Depth Measures 1 5/16 Inches. 3. Oil Temperature Reading from 40 to 150 Degrees. 4. 7 Color LED Through Dial Lighting with Color Recall Ability. 5. Oil Temperature Sensor with 1/8 NPT Male Threads. 6. Suitable for 12V Vehicles. 7. Red Illuminated needle,bright LED display during the night. 8. The button on the lens can switch the color of light you want. Fitment: Universal Car 2/52mm diameter Oil Temperature Gauge. (The compatibility just for reference .Please make sure the item fit for your car before purchase.) Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm) 3. Although Instructions Is Included.Professional Installation Is Highly Recommended 4. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Package Includes: 1xOil Temperature Gauge. 1x1/8 NPT Temp Sensor. 1xCable (Including Other Mounting Hardware)