Boat Instrument Panel Multifunction 4000RPM Red Backlit RV Switch Panel with Alarm Function for Marine Boat Yacht 12V Item Type: Instrument Panel Material: Aluminum Alloy, ABS, Stainless Steel, Tempered 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/3.3ft Position, Excellent Anti Fog Function: Application: This instrument panel can be installed in your caravan yacht or engineering vehicle center control position, just need 210x160mm / 8.27x6.30in 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 conversion panel can be used for engines, generator sets, RVs, yachts, fishing boats, ships, construction machinery, agricultural machinery, modified vehicles and other fields. Installation instructions. 1. Make a hole 200x150mm / 7.87x5.91in in the pre installed position of the central control 2. Put the instrument panel into the open hole, connect the power harness and sensor harness on the back of the instrument panel in order (please check the order of wiring, it is recommended to find a professional electrician to assist in the installation) 3. Fix the panel with screws Application: For engines, generator sets, caravans, yachts, fishing boats, ships, construction machinery, agricultural machinery, modified vehicles and other fields.