One other thing I just thought of- I bought
this scale for weighing the propane tank.
It's one thing to run out of propane at home; quite another to run out while out camping. I tried some of the other gauges; and they really aren't that accurate. This will tell you exactly how much propane you have left. You can even do it by yourself. When the weight stablizes it will beep and lock on that weight; so you don't have to try and read it as you hold the tank in the air.