The installation of cameras in classrooms may be objected to by some teachers. There were an estimated 30 million surveillance cameras in the United States in 2011. Video surveillance has been common in the United States since the 1990s; for example, one manufacturer reported net earnings of $120 million in 1995. With lower cost and easier installation, sales of home security cameras increased in the early 21st century. Following the September 11 attacks, the use of video surveillance in public places became more common to deter future terrorist attacks. Under the Homeland Security Grant Program, government grants are available for cities to install surveillance camera networks.

security door systems

Once the data reaches your router it can be sent to your NVR, computer, or even be accessed over WiFi from a mobile device or laptop; the router is basically acting as another relay for sending the video signal to other devices on the network.

• houston security system
• Wireless Security Camera
• alarm wireless

In 2012, the UK government enacted the Protection of Freedoms Act which includes several provisions related to controlling and restricting the collection, storage, retention, and use of information about individuals.

1. home alarms monitoring
2. security camera company
3. home security alarm system