Feature 1High Indication Accuracy: The pointer is driven by a stepping motor to accurately display the engine speed. It has the characteristics of high indication accuracy, versatility, reliability and stability, and relatively simple control. 2Weatherproof: IP67 waterproof and dustproof, 316L stainless steel bezel, and equipped with antifog curved glass, it can be used for a long time even in acid, alkali and humid environments. 3Low Power Consumption: The stepping motor is suitable for the whole series of stepping instruments, and has the advantages of low power consumption, long life and high precise. 4Wide Working Voltage: Ultrawide working voltage design (longterm working voltage: 932V, maximum reach: 36V, (1 minute)). 5Wide Application: The wire harness connector has a buckle to achieve the best and firm connection, can be widely used for engine/generator sets, ships, construction machinery, agricultural machinery, car modification, etc.Item Type:GPS SpeedometerMaterial: Plastic+stainlesssteelFixed Size: Approx. 85mm (3-3/8in)Indication Range: 0-160Km/h and 0-8000rpmWorking Voltage: 12V/24VAccess Voltage Range: 9-32VGPS blind zone odometer compensationOverspeed buzzer alarm (adjustable value)Indicator Lights: Left,high beam, rightBacklight: RedOperating Temperature: -40 to 85COperation Mode: LCD display, stepping motorApplication: 12V/24V vehicles, boats, yachts, RVs and other vehicles .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xSpeedometer1 x GPS Antenna1 x Manual