This mobile light switch is hampered by a rocky setup, minimal capabilities, and a sky-high price tag. Swapping in a smart light bulb for a dumb, traditional one is easy. Subbing in a smart light ...

Switchmate is a $40 AA-battery-powered magnetic light controller that clings to the screws holding up your existing switch plate. Snap it on and you're done with the installation. The sheer simplicity ...