Quirky+GE smart propane tank guage will save you from guesswork. Nothing ends a cookout faster than an empty propane tank. Instead of guessing how much gas you’ve got left, use this smart propane tank gauge to find out your exact propane level. This handy gauge pings your mobile device when it’s time to refuel. You may monitor your propane supply from anywhere via the Wink app. When your phone’s not handy, tap its sensor to display a reading.