Sturdy and dependable construction A robust metal gauge body delivers durable, longterm use and maintains consistent accuracy when monitoring propane levels, even with regular handling. Tool operation for quick checks Check tank levels quickly without tools. A simple horizontal handwheel tightening mechanism provides accurate readings, making daily checks fast and easy. Safe and clear leak and level control Automatic shutoff activates if a leak is detected, enhancing safety. Colorcoded indicators provide intuitive, ataglance status. The gauge clearly displays the propane level inside the tank for safe and confident usage. Broad compatibility and reliable performance Fits propane tanks from 5 to 40 lb and uses a QCC1/Type 1 connector for smooth, trouble operation. Key attributes Function: Accurate level monitoring, leakage protection, and easy readout. Compatibility: Suitable for 540 lb tanks with QCC1/Type 1 connector. Size and materials: Metal construction designed for durability and longterm use. Performance: Dependable measurement accuracy, tool setup, and automatic leak shutoff. Use scenarios Camping and RV trips: Monitor propane levels for grills, stoves, and heaters while traveling or at camp sites. Backyard cooking and outdoor events: Keep grill readiness with quick, tool checks during gatherings. Emergency backup or mobile catering: Maintain safe, reliable propane levels and clear status indicators during events or outages.