The H2O PRSR GAUGE KIT (F12903) is a high-quality water pressure gauge kit. The striking black graphics compliment the European design bezels finished with non-glare black, which have bright white dials and sculpted black pointers. The Faria water pressure gauge kit works by transmitting a low-current signal from the gauge's meter to the ground via a variable-resistance sending device. With variations in pressure, temperature, and other factors, the resistance of the sending units increases or decreases. Key Features: Top-quality water pressure gauge kit 100% Brand new and made with the highest quality materials in the industry with zero fault production Perimeter-lighted White dial Scratch-resistant glass lens Water and corrosion-resistant and long-lasting plastic cases Negative ground 12 volts DC Adaptable to 24 volt DC systems Excellent durability Proven for its exceptional dependability throughout the manufacturing process to ensure it meets our standards for quality, durability, and high reliability Approved marine-grade product Specifications: Brand: Faria Condition: Brand New Item Number: F12903 Weight: 0.62 LBS Note: For Marine applications 2" - Hole size: 2.0625" 2" Water Pressure Gauge Kit - 30 PSI - Euro White