House Keeper / gas valve

The people often tend to forget close the gas valve. They would be return to house fast because they reminded open the gas valve. They are facing the problem of gas valve when they are always out of the house. That gas valve shine LED light of red for open and blue for close. So anybody can know condition of valve even though they are too far away of dark surround of valve. So, that can recognition pot weight of the pot is put on that. Also it is used easily because the valve can shine blue light automatically and open. And the valve turn on the red light automatically and close when it isn't use for 60seconds.