1.Compatible with all appliances with a QCC1 / Type1 connection 20 lb to 40 lb propane tanks
2.Monitors fuel level without removing the tank. color coded dial for allowing you to see at a glance when your propane level is low,here are three levels; natural gas, low gas, supplement.
3.With leak detection function, if the leak is detected, the instrument will limit the flow to protect your safety