LED air suspension Pressure Gauge Reading Sources: 5 Product size: 52mm. 2inch Background light color: 7colors Product voltage: 12V Product weight: about 1300g Product Shell Material: Aluminum Shell Oxidation Applicable models: All vehicles suitable for 12V battery voltage. Backlights of seven colors(Blue, Red, Green, Purple, Aqua, Yellow, White), the color can be arbitrarily selected, and can also automatically change color. Suitable for all 12V car models. Press the button and hold on for about 3 second to change open ceremonies, Hold on for about 10 seconds, It can shift from PSI to BAR. The sensors are full electronic, so there is no chance of a leak occurring in tubing going to inside your cab, as there is none! Wiring instructions: Red-Positive Pole, Black-Negetive Pole, White-Ignition, Yellow-Head Light Package includes: 1 Air pressure gauge 5 1/8 NPT Electronic sensor 1 gauge visor 1on-dash bracket 1 power line 1 Mounting Accessories 1 Instructions Fuction: 5 Air ride pressure gauge perfect for Monitoring All 4 Air Bags and Air Tank Readings from 0 to 290 PSI. Feature: Each gauge has 3 different opening ceremonies. Working with high quality LCD screen. Can display different 7 colors. Electronic Sensors: Work with 5pcs stainless steel 1/8 NPT electronic sensors, High quality and accurate reading. Package Include: 1Air pressure gauge, 11/8 NPT suspension air pressure sensors, 1visor, 1on-dash bracket, Mounting Hardware & Installation Instructions. Support: For any questions or concerns regarding the water temp gauge, please inform us so we can resolve the issue.