Installation: lock the gauge to baseboard directly by hand. Connector: multi-plugs socket connection. Suitable for all kinds of fuel sensors, and display the liquid level of the fuel tank. Bezel Material:316 Stainless Steel,cured glass. Use moving-magnet principle to drive the needle, featuring good endurance and anti-vibration. IP67 waterproof, Stepper Motor, Reverse Polarity Protection, Red or Yellow Background Light. Item: PKY11001