Good-looking has its own characteristics, but the national standard requires the alarm to be set within 0.3m from the ceiling. sos feels a bit chicken ribs because it does not have human-computer interaction.

nice

No longer afraid of forgetting to turn off the gas

Really very intelligent ah

It is suddenly different from the smart gas products on the market , which is very different

Very scientific and technological sense

A look at the price is not cheap

This is very high.

A gas security equipment is so high that it can't be used. it can't be used at all