A security alarm system that provides secure, realtime video of a secured location to one or more emergency response agencies over a high-speed communications link, such as an Internet link. In one general aspect, the invention features a computer-implemented method that includes receiving at a message hub one or more messages from one or more sources. Said legs support the main body to keep it standing upright, and the cover is fitted to the main body. The first region includes at least one of the exposed optoelectronic components.