Feature:1. Accuracy and Precision: Boat tachometer gauge panels have high precision indicators to provide accurate and quick information on the rpm of your boat's engine.2. Alarm Function: The tachometer instrument panel has an alarm function, which can remind the user of abnormal conditions of the engine in time to ensure the safety of the engine.3. Fine Processes: Tacho gauge panels are made of metal and plastic materials and have been carefully designed and manufactured to be durable and stable, and to maintain good performance over a long period of use.4. Enhanced Safety: By providing real time accurate information about the boat's engine speed, a tachometer can help ensure the engine is running at optimal levels, preventing engine damage or failure.5. Easy Installation: Installing the tacho meter panel is as simple as preparing suitable holes in the meter panel and securing the meter with nuts and retaining clasp.Specification:Item Type: Boat Tachometer PanelMaterial: Metal + PlasticSpeed: 8k (80*100rpm)Opening Size: Approx. 180 x 140 x 85mm / 7.1 x 5.5 x 3.3in Operating Voltage: 12vWorking Current: 150maOperating Temperature: -30 - +70Storage Temperature: -40 ~ + 85Alarm: No Water/No Oil or Overheating BuzzerInstrument: TachometerEng/Stop: Stop the EngineIgnition Key: Off: Stop; On: Power Supply; Start: StartLamp: Controls the Instrument BacklightTemperature: The Operating Temperature Is Higher Than 96 Red Light WarningPressure: Work When the Oil Pressure Is Below 0.8barPreheat: Preheat the Engine and Maintain a Stable (Starting) Temperature When Not RunningApplication: Suitable for Yachts, Ships, Speedboats, Etc.Package List:1 x Boat Tachometer Panel2 x Keys1 x User Manual