Concern about home security is not just a matter of crime. Other hazards such as fires also need to be aware of. An important factor to prevent is speed in detecting fire. In detecting it can use a tool called a smoke alarm. Wireless sensor equipped with a 9Volt battery to detect smoke from fires in buildings, homes, offices, apartments, schools, hospitals, malls, restaurants. The alarm sensor is usually mounted on the wall / wall / ceiling / ceiling of this room has also integrated 85dB alarm speaker. The installation is quite easy to stay attached to the ceiling using a screw or double tape and does not require troublesome electrical installation because the smoke detector uses battery power.
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