If you have a video doorbell installed at your home, it’s likely from the Ring brand, which is known for producing some of the best video doorbells on the market. Their lineup includes affordable ...

Advertising disclosure: When you use our links to explore or buy products we may earn a fee, but that in no way affects our editorial independence. Ring Alarm and Arlo are two modern home security ...

Abstract: An intensity-modulated active intracavity rotation angle sensor was demonstrated based on a simple balloon-type fiber. The sensor leverages macrobending-induced loss, modulated by torsional ...

Abstract: Optical waveguide ring resonators (OWRRs) with high quality factor can greatly enhance the interaction between light and matter, which shows great advantages in optical sensing and has ...

September 25, 2025: With this update, we removed the Ring Stick Up Cam Pro Battery because it's no longer available at retailers. Our remaining selections have been vetted for currency and ...

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