Smart gauge provides a clear indicator with colorcoded readings to estimate remaining propane and alert you when a refill or replacement is needed. Rapid tool mounting: installs in under two minutes without tools; the handwheel design tightens the gauge horizontally for a secure fit and accurate pressure monitoring. Sturdy brass connection: solid brass construction delivers a durable, abrasionresistant link for reliable performance and long service life. Leak detection and safety: automatic response to detected leaks restricts airflow to help prevent unsafe operation, while continuing to monitor remaining propane levels. Compatibility and fit: designed for standard portable propane tanks with common fittings; suitable for a variety of applications including grills, RVs and camping setups, outdoor heaters, and portable generators. Use scenarios: Backyard barbecue: monitor tank level to ensure you have enough propane for the evening and avoid midcook surprises. RV or camping trips: quick, accurate readings on the go to prevent running out during outings. Outdoor heating or mobile power: rely on the gauge to manage fuel for heaters or generators during outages or extended use.