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

AUTOMATIC ILLUMINATION: When light sensor perceives darkness, motion sensor activates lighting ... turn on blinding lights in the middle of the night. WHAT YOU GET: 3x Lumi Stick-On Night Lights ...

Case in point: an easy way to make your backyard, garage, or other outdoor spaces safer and more secure is with this ...

Because this wireless outdoor motion sensor light is battery-powered, it’s easy to install and can mount anywhere. It uses dual LEDs that can provide up to 400 square feet of coverage ...

Hoteon Acrylonitrile Butadiene Styrene Motion Sensor Light, Automatic Night Light With Auto/On/Off Mode Switch, Battery Powered Led Cold Light (3Pcs) This motion-sensing light works in three modes ...