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Tracker watches are devices specially suitable for children and senior citizens when they venture out alone ad lose their way. The tracker watches will help them to know the exact location, where they are standing at a particular moment an communicate the same to people at home so that they can get clear instructions on how to get back or someone comes to meet them and take them back home. This is only an example of the use of tracker watches. As the name implies, these instruments have been invented with the purpose of helping all those who are likely to get lost, either during their professional duties or when going out for relaxation. They are particularly useful for people who go exploring, mountain hiking etc.. Though worn like a watch these devices help in two way conversation when required and it is quite fast. They are got up in many attractive designs for the user to wear. Tracker watches form another example of high tech development in the communication systems and associated field of instrumentation, audio system, miniaturization etc. That a watch has functions as a device for a person’s location is really amazing. The further facility of two way conversations is something unique. What is great about these tracker watches is that it is not only functionally useful and helpful but also very fast. True to the spirit of development engineers have added several new features to tracker watches from the first lot of watched that hit the market. Since they are worn as watches and not as tracking device they are appropriately designed to have appealing shapes, colors etc. Comfort in wearing the watches has been given a lot of attention. Children can use them on an experimental basis to check their location. Several models of tracker watches have been developed with a number of support functions. The dual channel transmission is one such function. Persons who lose their way but are wearing tracker watches have two channels of communication to contact the people who will be anxious about them and who may take necessary steps to fake them home safely. Monitoring functions for the real time and voice are provided. The best feature is of course is the SOS system provided in these tracker watches and this feature is the most useful in really bad situation. Power or operation comes from rechargeable nickel cadmium batteries which can be recharged from a 110V/220 V AC source.
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