Case in point: an easy way to make your backyard, garage, or other outdoor spaces safer and more secure is with this four-pack of motion-activated, solar-powered LED lights that are already 43% off. A ...

PROFESSIONAL DESIGN: The infrared sensor has a detection range of 30 feet and emits a 125 dB siren and strobe light when an intruder ... The portable motion sensor alarm can be quickly installed ...

Large Wireless Range: Door Motion Alarm is triggered by the PIR sensor via monitoring ... in time via flashing red light. We provide free return or replacement and 1 years warranty.

but that proved optically difficult as the small aperture greatly reduced the amount of light striking the array. The sensor, though, is where the interesting stuff is. [Sean] soldered 1,024 ALS ...

The Philips Hue Appear is a sleek, modern outdoor light that enhances any doorway. Whilst installation can be fiddly and ...