Levegas is a wireless electronic sensor to check the level of your propane tanks directly on your phone. The sensor doesn't require any special installation process and can be done by the user in three simple and safe steps. The mobile app is free and can be downloaded from the official stores of android and apple. The app gives your special features for example you can know your consumption rates, program alarms to be alerted when you are reaching low levels or propane, and even program refills and pay them directly using the app.
Not certified yet
Direct buy link: https://www.levelgas.com/producto/lg2016/
Dimensions (in mm): 115 x 115 x 20
Battery life: 5 Years
Battery type: Replaceable
Flashable Firmware: No