- SAFE AND RELIABLE: This propane tank level indicator features a built-in leak detection function. In the event of a leak, it automatically restricts gas flow, ensuring safety and protection for users. - COMPATIBLE CONNECTION: Designed to work seamlessly with all devices equipped with QCC1 or Type 1 connections, this leak detector is suitable for 5-pound to 40-pound propane tanks, making it versatile for various applications. - VERSATILE USE: Ideal for propane tank bottles, regulators with hoses, and propane adapters. The gas meter reacts quickly upon activation, providing real-time pressure readings for efficient monitoring. - EASY FUEL MONITORING: The color-coded dial allows you to check your propane level without removing the tank. It clearly indicates three levels: natural gas, low gas level, and refill, so you can easily assess your fuel status at a glance. - PRACTICAL APPLICATIONS: Perfect for outdoor grilling, RV usage, and home heating. Whether you are a weekend cook or relying on propane for daily needs, this indicator enhances your safety and convenience by keeping you informed about your propane levels.