Boat Instrument Panel with Tahcometer Multifunction 4000RPM Engines Stop Start ON OFF Water Temp Alarm IP67 Waterproof 24V Item Type: Boat Gauge Panel Material: Aluminum alloy + ABS + stainless steel + toughened glass Function Display: Multifunction panel can display engine speed 0-4000RPM and 9999.9H, and it also comes with alarm, Engines Stop, Start, ON, OFF, low oil pressure alarm, water temperature alarm, backlight button, and preheat button, etc. Operating Current: ≤100 MA Operating Temperature: -30℃ - + 75℃ Storage Temperature: -40℃ - + 85℃ Protection Class: IP67, can work underwater 1m position, excellent antifog function. Application: This gauge panel can be installed in your caravan, yacht or engineering vehicle center control position, just need 210x160mm/8.27x6.3in unit area, greatly save space, through the panel data at any time to understand the state of the engine Application: The center control multifunctional tachometer panel can be used for engines, generator sets, RVs, yachts, fishing boats, ships, construction machinery, agricultural machinery, modified vehicles and other fields.