52mm 3 In 1 Multi-function Digital Gauge Waterproof With Alarm Black The product is shipped based on the color or size of the main image of the product page. Open a 2 inch dimension and 2-1/5 inch depth hole, put gauge into it and fastenMade of high-quality stainless steel compatible with long-term use even in acid-base, humid environmentA 3-in-1 multi-function digital meter integrating Water Temp Gauge, Tachometer Gauge, and Oil Pressure GaugeThe instrument has its own alarm signal, and no need additional alarm signal by the sensor.High brightness LED backlight, high brightness and long life.Waterproof:IP67Backlight: TFT ScreenTachometer: 0-9990RPMWater Temperature:40~120,287.4~22.4Oil Pressure: 0-10 bar (Pressure sensor: 10-184ohm)Dimensions:52mm diameter (2 inch)55mm Depth (2-3/4 inch)Material:stainless steelcolour:Black Package Contents:1 * 3 in 1 Multifunction Gauge1 * Multi-plug socket1 * Chinese and English manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-4cm.