Compatible with all appliances with a QCC1 / type1 connection and up 5 lb to 40 lb propane tanks. Heavy duty 100% solid brass construction withstands weather, scratching, denting and corroding. Monitors fuel level without removing the tank. Color coded dial for allowing you to see at a glance when your propane level is low. This propane tank gas gauge can be worked with propane tank cylinders, propane regulator with hose and propane adapter. Works when you turn the propane on, it will quickly react showing the pressure. Coming with dust cover. No tools required and easy to install with handheel grip for tightening. Great for using gas grill, heater, smoker, camp stove, lantern, tabletop grill, fire pit table, turkey fryer and more propane appliances.