CCTVS are used mainly to observe what is going on and maybe even play back what happened at a particular time and place if needed. CCTVS can be used to catch thieves, loan sharks and their runners, and also let parents know what is happening at home when they are out at work. CCTVS can be hidden or obviously placed. Obviously placed CCTVS most probably deter thieves from trying to even rob the house and deter loan sharks from vandalizing the houses. Hidden CCTVS are normally placed in lifts to try and catch people who urinate in lifts. These CCTVS also help the police to solve many cases as they can playback and show the police who are the offenders and the people who rob or vandalize a place. Having these CCTVS installed at home also give parents a peace of mind when they go to work. As they have young kids and often leave them at home with their maids. In order to ensure that the maids do not ill-treat the toddlers as these CCTVS allow the parents 24/7 surveillance.
Installation of these CCTVS in common places also help to lower the crime rate in Singapore. As thieves and robbers see these CCTVS, they know that the chances of them getting caught is quite high so they will most probably give up and don't rob the place. Loan sharks also see the CCTVS and are scared to vandalize as they are afraid of getting caught. In short, CCTVS help the community a lot by scaring these offenders and preventing them from committing crimes and thus lowering the crime rates.
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