In their daily lives, whether the gas explosion or gas poisoning incident, as a result of gas leakage into the sky. Home life, one can not do without the use of gas, regardless of your preventive measures how good, close century, but inevitably very careful, not to mention fire safety measures are not taken any of the family is even more dangerous. Therefore it is necessary to prepare at home, a combustible gas alarm, the owner at any time for guarding gas appliances, a gas alert to this invisible killer quietly slipped out to help the owner of the family to eradicate hidden dangers in its infancy, domestic security, good housekeeper, Let family members use the gas, used hearts at ease. For example, many families Fire Gas explosions are not aware of the room full of gas leaking out of the blind use of electrical switches and tragedy in an instant if there is an alarm, a tragedy like this can be avoided greatly.