Fire and gas leak alarm

Abstract

This device will sound and light an alarm when it detects a certain amount of gas or heat, and is attached to a wall near the ceiling within a specified distance from the gas valve or gas appliance. It also has the ability to provide audio notification of various types of information (disaster prevention information, crime prevention information, lifestyle information, etc.) obtained from the internet, and will notify you of such information when it detects human movement in the area below the alarm using a human presence sensor.

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