A quartet of Aootek Solar Motion Sensor Lights is on sale for just ... 270-degree area. They’re powered by a rechargeable lithium-ion battery that’s connected to a nearly 12-square-inch ...

To transform your backyard into a cozy spot where you relax and get together with friends and family, outdoor lighting is a ...

[Brad] was asked by his Sister to design a motion-based alarm that ... is only active at night and can be battery-powered. What he came up with is a light-sensitive motion sensor that uses very ...