TheStreet aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Home security is increasingly important in a world where economic ...

Aftermarket backup cameras might not work as well as integrated ones, but they're still a useful upgrade to an older car.

While a household security system that relies on electrical power can be helpful, a solar-powered security camera can function even if the power goes out. The solar panel camera uses an internal ...