Feature:1. Wide Applications: Suitable for a full range of stepping instruments, can be used for engine generator sets, ships, construction machinery, agricultural machinery, etc.2. IP67 Protection: IP67 waterproof and dustproof grade, curved glass, antifog, no need to worry about the damage bad weather may cause.3. Characteristic: It has the characteristics of low power consumption, long life and high accuracy. Ultra wide working voltage design, long term working voltage 932V, up to 36V.4. Installation: The installation diameter of the gauge is 52mm or 2.05in. Ensure that there is at least 55mm or 2.17in behind the dashboard.5. Premium Material: Made of 316 stainless steel, PVC and ABS, it can be used for a long time even in acid, alkali and humid environments.Specification:Item Type: Water Temperature GaugeMaterial: PVCandABSand316 Stainless SteelLight Color: 7 Colors Backlight (Adjustable)Installation Diameter: 52mm or 2.05in, and Ensure that There is at Least 55mm or 2.17in Space Behind the DashboardWorking Voltage: 9-32VWorking Current: 18mASignal: 1600-22Working Temperature: -30-and75Storage Temperature: -40-and80Applicable Scenarios: Universal for automobiles, engines, boats, RVs, yachts, engineering machinery, etc..Package List:1 x Gauge1 x Cap1 x Manual