Easy to use: The magnetic design ensures a quick and secure attachment to the propane tank, and installation and removal are also easy. Reusable and durable: This gas level indicator is made of high-quality materials and is durable. Accurate measurement: The indicator provides precise readings of propane tank fuel levels, helping you avoid unexpected power outages or over-fueling. Wide Application: This propane tank gauge is suitable for indoor and outdoor use, home kitchens, outdoor barbecues, camping trips, etc. Improve Safety: Ensure safe and efficient operation by accurately monitoring the fuel level of the propane tank, reducing the risk of accidents or equipment damage.<br><br>There may be slight color difference or difference in the actual product Colour:As Shown Material:PET<br><br>Package Contents: 10x Gas Test Card<br><br>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.