This magnetic propane fuel gas tank level indicator is a practical tool for monitoring gas levels in LPG or butane cylinders. It provides real-time gas level status based on temperature, ensuring you never unexpectedly run out of fuel. Easy to use, safe, and reusable—perfect for campers, BBQ enthusiasts, or caravan users. Main Features Magnetic gas level indicator attaches easily to LPG or butane cylinders. Accurately measures gas levels based on temperature (-10°C to 120°C). Reusable and works while in use, ideal for BBQs, caravans, and outdoor cooking. Cost-saving and convenient—know when your gas is running low before it runs out. Specifications & Model Details Measurement Range: -10°C ~ 120°C Material: PET (magnetic backing) Colour: As shown in the photo Compatibility: Works on LPG (propane) and butane cylinders Package Includes: 2 x Gas Level Indicator Product Type: Magnetic Gas Tank Level Indicator Reusable: Yes