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. Specification: Item Type: Speedometer_x005f_x005F_x005f_x000D_ Material: ABS + 316L Stainless Steel_x005f_x005F_x005f_x000D_ Operation Mode: LCD display, stepping motor_x005f_x005F_x005f_x000D_ Installation Diameter: 85mm/3.3in_x005f_x005F_x005f_x000D_ Working Voltage: 9-32V (12V/24V)_x005f_x005F_x005f_x000D_ Backlight Color: White or amber_x005f_x005F_x005f_x000D_ Indication Range: 0-160MPH_x005f_x005F_x005f_x000D_ Working Temperature: -30-+75_x005f_x005F_x005f_x000D_ Storage Temperature: -40-+85_x005f_x005F_x005f_x000D_ Protection Level: IP67_x005f_x005F_x005f_x000D_ Function: Display current speed and total mileage; quick response to stepper motor, settable warning and buzzer, with everything needed for installation_x005f_x005F_x005f_x000D_ Application: Suitable for car, truck, boat, diesel generator engine, gasoline engine PackageList: 1 x Speedometer 1 x Power Cord 1 x Manual