Keep track of your liquid levels with this gauge gas cap. Made from durable plastic materials, it ensures reliable performance and precise measurement. The gauge accurately displays the liquid level, allowing users to monitor storage in real time. Easy to install, it is suitable for various types of tanks and is a convenient solution for industrial, automotive, and marine applications. Designed for maintenance personnel, machine operators, and managers in industries such as petroleum, transportation, and manufacturing, this gauge is a must-have tool. Whether used on tanks, storage containers, or engines, it provides real-time monitoring of liquid levels, supporting efficient operations and helping prevent potential issues. Stay informed with this reliable and easy-to-use gauge. Its high accuracy and wide range of applications make it an essential tool for real-time level monitoring. Gauge Feature: The gas cap includes a built-in gauge for convenient monitoring of fuel levels, helping users know when a refill is needed. Secure Fit: Designed to fit snugly into the tank opening, the fuel cap provides a secure seal and helps prevent fuel vapors from escaping. Note: Installation guide not included. Please verify the item meets your requirements before use. Product design may vary slightly between batches, including minor color or dimensional differences, which do not affect functionality. Length: 185mm Color: As shown Material: Plastic Package Contents: 1 x Fuel Tank Level Gauge Only the items listed above are included; other products are not included. Note: Lighting and display settings may cause slight color variations between the product image and the actual item. Measurement error allowance: +/- 1-3 cm.