5 Gauge Set Instrument Panel 4000 RPM 24V 7 Colors LED For Marine Boat Yacht. 5 Gauge Set with Instrument Panel 0-4000 RPM 7Colors LED For Marine Boat Yacht. We would do our best to give you the best solution. Thank you so much. Analog Display Tachometer & Digital Display Hour Meter. Clear Lens, 316 Stainless Steel Bezel with ABS Plastic Housing. Black Faceplate, Red Needle with 7 colors LED Illumination. With IP67 Waterproof, Rustproof, Anti-Fog & UV-Resistant. Hour Meter Records to 99999.9 Hours & Automatic Roll Over Resolution 0.1 Hour. Volt Gauge, Fuel Level Gauge, Water Temperature Gauge & Oil Pressure Gauge with Warning Function. Gauge Set (Except Volt Gauge) Requires 12 / 24 Volt Negative Ground Systems. Volt Gauge Requires 12 Volt Negative Ground Systems. Install Diameter:? 85mm or 3-3/8. Engine hours: 0.0-99999.9H. Backlight :7 Color backlight. Sizes: 52 mm (2-1/16). Measuring Range: Empty – Full. Resistance: 240 (E) – 33 (F) ohms. NOTES: 240-33 ohm sensors can only be applied to 240-33 ohm fuel gauge. Input signal: 287.422.4 ohms. Install diameter:? 52mm or 2-1/16. Indication range:010bar / 0-150 PSI. Measuring Range: 16 – 32. 1x Water Temperature Gauge. 1x Oil Pressure Gauge. 1x Fuel Level Gauge. 5 Holes Instrument Panel.