Based in New Delhi, India, we are suppliers of quality Fire Alarm Smoke Detectors. These detectors have an inbuilt alarm system which proves to be very effective in minimizing the damage caused by fires. They can run on different power sources including battery, wire-in, or wireless systems. The battery-powered detectors run on sealed long-life lithium batteries which have a very long lifespan of about 10 years. Fire Alarm Smoke Detectors work on the principle of photoelectricity or ionization or a combination of the two.