15 Gauge Set: 85mm speedometer can display driving speed 0?120km/H, engine speed 0?8000RPM; 52mm water temp meter shows water temperature 100?250; 52mm fuel level meter shows tank oil volume F?1/2?E; 52mm oil pressure meter can show tank oil pressure 0?10Bar; 52mm voltage meter can show battery voltage 8?16V. 2Multifunctional: The instrument panel is equipped with water temperature alarm, low oil pressure alarm, low voltage alarm, charging indication, light switch, buzzer switch, engine stop switch, etc. All 5 gauges are equipped with red backlight and red LED pointer for night use. 3Rugged Construction: The meter set is made of aluminum alloy panel, 316L stainless steel front cover bezel, antifog curved clear lens, industrial grade electronics and structural components, IP67 waterproof, and can withstand mechanical shock and vibration, ideal for various harsh environments. 4High Accuracy: All meters use pulse motor to drive the pointer to indicate the corresponding scale, high accuracy and easy to read. Adopt ultra wide working voltage design, long term working voltage is 9?32V, maximum 36V (1 minute), working current 100mA, ultra low power consumption. 5Firm Installation: The back harness connectors of all 5 meters are with snaps, which can ensure a firm connection between the meter and the harness, and still work reliably even when used in strong vibration situations. 6Widely Used: Easy to install, only 300x190mm unit area, can be used in engines, generator sets, caravans, yachts, fishing boats, ships, construction machinery, agricultural machinery, modified vehicles and other fields.