85mm 3 In 1 Multifunction Gauge Tachometer 8000rpm Oil Pressure Water Temp Gauge 85mm 3 In 1 Multifunction Gauge Tachometer 8000rpm Oil Pressure Water Temp GaugeFeatures:RPM Tachometer Support : Car /Truck/ Boat /Diesel Generator Engine /Gasoline Engine Waterproof:IP67 Excellent anti-fogging function; 316 Stainless steel bezel with curved glass; Convenient Installation...