solar-powered LED lights that are already 43% off. A quartet of Aootek Solar Motion Sensor Lights is on sale for just $20, $16 off their normal $36 price tag. For the money, you get an Amazon No. 1 ...

and respond by activating connected devices like lights, alarms, or cameras. Before selecting the right motion sensor for your home, familiarize yourself with the various types available on the ...