Feature: 1. The pointer is driven by a stepping motor to accurately display the engine speed, with high indication accuracy and relatively simple drive control. The LCD display clearly shows the mileage. 2. Stepping motors are used in a full range of stepping gauges and have the characteristics of low power consumption, long life, and high precision. 9‑32V ultra‑wide long‑term working voltage, up to 36V (≤1 minute). 3. It is snapped together with the wiring harness connector to achieve the best safe connection, so that the pressure gauge can work normally even under strong vibration. 4. Can be applied in all kinds of vehicle modification, and can be used for engine/generator sets, ships, construction machinery, agricultural machinery, automobile modification, etc. 5. With IP67 waterproof and dustproof function, 316L stainless steel bezel, corrosion‑resistant, it is durable even in acid, alkali and humid environments, and equipped with curved glass, good anti‑fog effect. Specification: Item Type: Speed Gauge Material: ABS+316L Stainless Steel Backlight Color: Red or White Working Voltage: 12V/24V Installation Diameter: 85mm or 3-3/8in Display Range: 0-220km/H, 999999km Working Temperature: -30℃-+75℃ Storage Temperature: -40℃-+85℃ Protection Level: IP67 Application: 12V/24V all kinds of vehicles, boats, motorcycles, etc.. Package List: 1 x Speedometer1 x Power Harness 1 x Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.