Features 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. 9‑32V 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. Specifications: Item Type: Speedometer Material: ABS + 316L Stainless Steel Operation Mode: LCD display, stepping motor Installation Diameter: 85mm/3.3in Backlight Color: White or amber Indication Range: 0-160MPH Working Temperature: -30℃-+75℃ Storage Temperature: -40℃-+85℃ Protection Level: IP67 Function: Display current speed and total mileage; quick response to stepper motor, settable warning and buzzer, with everything needed for installation Application: Suitable for car, truck, boat, diesel generator engine, gasoline engine Package List 1 x Speedometer 1 x Power Cord 1 x Manual