In modern times, security is of utmost importance, and it is only imperative to have safety measures in place. Appointing security guards is a traditional practice, but with developing technology, some surveillance aids are made available. This safety measure is the most preferred one as it is convenient to install, and complements traditional standards as well. You may need security cameras for personal use, for your home or office. Even public places like parks, shopping malls, and restaurants need surveillance cameras. A strategically placed camera can provide helpful evidence against theft, crime or any untoward incident.