This surveillance camera has been proven that it works in all over the country and all over the world. A lot of people all over the world are buying the surveillance cameras or have them already. People are buying them for their loved ones safety, for themselves, and the safety of their own homes and businesses. You might even know someone that owns a surveillance camera all ready. You should ask how this camera surveillance has worked for them? And if you don't know anyone that has a surveillance camera, you should call your nearest manufacture of surveillance cameras to ask questions.