| These days finding alarm systems installed at | | | | days are probably the best choice these days |
| private and public places has become a norm. | | | | whereas ultrasonic sensors have almost become |
| With the security crisis deepening with every | | | | obsolete. |
| passing day it has become almost impossible to | | | | One of the best features of this sensor is its |
| protect your own self and your property on your | | | | mobility as compared to the hardwired home |
| own. Everyone is left with no other option other | | | | security systems. Furthermore, upon being |
| than resorting to personal security gadgets. The | | | | triggered some of the sensors are even |
| most common form of security gadgets designed | | | | programmed to send an emergency situation to |
| by security companies to protect home and | | | | the home security company or the concerned |
| businesses is the motion sensor. | | | | local authorities in case of break in, trespassing, or |
| Having a motion sensor installed within your | | | | gate crashing. |
| premises ensures safety to a large extent and | | | | A few years back it would have been impossible |
| you don't have to overdose yourself with stress | | | | to leave your pet back at home with a sensor |
| relaxing pills or other forms of medication to avoid | | | | installed because for example, an Infrared sensor |
| headaches which eventually leaves a person | | | | would have detected the heat signal and the |
| mentally disturbed and depressed. Other | | | | alarm would have gone off. Modern day |
| reservations might include the cost of the | | | | technology has advanced greatly and managed to |
| product, durability, reliability, and whether or not it | | | | overcome this shortfall. Nowadays, they come |
| caters your security concerns. | | | | equipped with dual detectors the primary being |
| A lot of people are reluctant to invest into a | | | | the passive Infrared sensor which detects heat |
| product they think is complex and clunky just | | | | signature from humans and activates the |
| because they are not aware of its advantages. | | | | secondary active microwave sensor which is |
| The motion sensor alarm happens to be one of | | | | intelligent enough to differentiate between humans |
| them. Three types are available at the moment in | | | | and pets. |
| the market; Ultrasonic, Microwave and Infrared. | | | | Such has the technology diversified that motion |
| The first two come under active sensors and the | | | | sensor alarms can be activated and deactivated |
| latter one falls under passive sensors. Infrared | | | | by entering a password into an indoor keypad |
| sensors being the most popular sensors these | | | | thus allowing you to control it at your will. |