Keep track of your liquid levels with this gauge gas caps. Made with plastic materials, it ensures durability and precise measurement. Shows the liquid level accurately, allowing users to their storage in real time. Its easy installation makes it suitable for types of tanks, making it a convenient choice for industrial, automotive, and marine professionals. Designed for maintenance personnel, machine operators, and managers in industries such as petroleum, portation, and manufacturing, this gauge is a must have tool. Whether you are working on tanks, storage containers, or engines in the petroleum, portation, or manufacturing sectors, this gauge provides real time monitoring of levels, ensuring efficient operations and preventing potential issues. Stay informed about your liquid levels with this reliable and easy to use gauge. Its high accuracy and wide application an essential tool for anyone in need of real time monitoring. With Gauge: Gas cap is equipped with a gauge for easy monitoring of levels in the tank, ensuring you're always aware of when it's time for a refill. Secure Fit: The cap is designed to fit snugly with the tank opening, ensuring a secure seal and preventing any gasoline odor from leaking out. Note: Installation guide not included, Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Length:185MM Colour:As Shown Material:Plastic Package Contents: 1 * Tanks Level Gauge Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.