Alarms are instruments that give warning on a problematic situation or a preset condition both audibly and visually. Alarms are one of the most used and required things in our lives. Right from waking you up in the morning to saving your home from burglary and fire, they play an equally vital role in every home and office.

To start from the scratch, human mind has always relied upon instincts and intuitions to predict things and dangers. As we have evolved with time, the need for instinct has been replaced by these highly sensitive alarm clocks. The history of alarm clock is as old as anyone can imagine. We have traces of alarm clock usage from the 1500s. It started as a noisy, heavy instrument and has taken many contours evolving into a sleek gadget. Now we have bedside alarms, chime alarms, moonbeam alarms, snooze alarms and many other types that have become a part of our everyday routine.

Today, alarms are no longer mere instruments to show you time. There are LCD and LED alarms that come with thermometers, calendars, calculators, lamps, built-in flashlights, touch screen functions, talking calendars and many other things. They are trendy, functional and they are everywhere.

The use of alarms has increased so much and has become so indispensable that we even have alarms that go off in our cell phones, TVs, and other electronic gadgets. Alarms come in different types for different purposes. You have bedside alarm clocks, fire alarms, and home and burglar alarms. There are a huge number of models available in each of these categories. Obviously alarm clocks wake you up, fire alarms warn you of a potential fire and home alarms prevent burglary and theft.