Magnetic Home Gas Tank Level Indicator Usage Guage Reusable

This product can safely and accurately measure the gas capacity,
according to the gas temperature test, measuring the temperature range
of -10 C~ 120 C.Will actually show you when you are low on gas, before you run out!

Never run out of Gas from now on. Measure your Gas with this level
indicator, simply attach it to your gas tank cylinder with this magnetic
Gas Level Indicator and it will show you how much gas is left in your tank.

Comes with instruction

• Instructions:
1.Place your Gas Level Indicator on a clean area on the lower half of
the cylinder.
2.Turn on the gas and wait 10 minutes before you can read your Indicator.
3.In the winter the bar on the left will be active, and in the summer
the bar on the right will be active.