Building alarms fire alarm, smoke detector, PIR

Inside any building and home, fire alarm and smoke detectors systems are vital safety feature. They becoming more sophisticated, incorporating more sensors to detect not only smoke and fire but also monitoring the quality of the air.  These devices can alert individuals and authorities quicker, reducing the alert time and avoid property damage and casualties and they are dependent on very low power as high power means higher costs and more frequent maintenance both in a residential home and in a commercial building.