Feature:1. High Accuracy: Use a stepper motor to drive the pointer, accurately display the current speed, and the drive control is relatively simple. The LCD display clearly shows the mileage.2. Stepper Motor: Adopting stepper motor, low power consumption, long life and high accuracy. 932V ultra wide long term working voltage, up to 36V (1 minute).3. IP67 Waterproof and Dustproof: 316L stainless steel bezel, corrosion resistant, durable even in acid, alkali and humid environments. Curved glass, good anti fog effect.4. Stable Connection: There is a snap together with the harness connector, which ensures secure connection, so that the gauge can work normally even under strong vibration.5. Application: Wide range of applications, fit for 1-8 cylinder gasoline engine and 12V 24V car, truck, boat, diesel generator engine, gasoline engine, etc.Specification:Item Type: SpeedometerMaterial: ABS + 316L Stainless SteelOperation Mode: LCD display, stepping motorInstallation Diameter: 85mm/3.3inWorking Voltage: 9-32V (12V/24V)Backlight Color: White or amberIndication Range: 0-160MPHWorking Temperature: -30-+75Storage Temperature: -40-+85Protection Level: IP67Function: Display current speed and total mileage; quick response to stepper motor, settable warning and buzzer, with everything needed for installationApplication: Suitable for car, truck, boat, diesel generator engine, gasoline engine.Package List:1 x Speedometer1 x Power Cord1 x Manual