Keep track of your liquid levels with this gauge-equipped gas cap. Made from durable plastic materials, it ensures reliable performance and precise measurement. The integrated 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 choice for industrial, automotive, and marine applications. Designed for maintenance personnel, machine operators, and managers in industries such as petroleum, transportation, and manufacturing, this gauge provides real-time monitoring for efficient operations and helps prevent potential issues. Whether used on tanks, storage containers, or engines, it offers dependable level monitoring. Stay informed with this reliable and easy-to-use gauge, ideal for anyone requiring real-time liquid level tracking. With high accuracy and wide application, it is an essential tool for professional use. Gauge Feature: The gas cap includes a built-in gauge for easy monitoring of fuel levels, helping users stay aware of when a refill is needed. Secure Fit: Designed to fit snugly into the tank opening, the fuel cap ensures a secure seal and helps prevent fuel vapor leaks. Note: Installation guide is not included. Please verify compatibility before purchase. Product updates may occur due to different production batches, which may result in slight variations in color or design. These differences do not affect functionality. Length: 185mm Color: As shown Material: Plastic Package Contents: 1 x Fuel Tank Level Gauge Note: The package includes only the item listed. Other accessories are not included. Lighting and display settings may cause slight color variations between the product image and the actual item. Measurement tolerance: ±1-3 cm.