Suitable for a variety of motion sensor alarm indoor applications. Multi-functional and Multi-mode :This outdoor motion sensor alarm has two modes (doorbell mode or alarm mode); activate or ...

We’re still not sure exactly how [connornishijima]’s motion detector works, though many readers offered plausible explanations in the comments the last time we covered it. It works well enough ...

Suitable for a variety of motion sensor alarm indoor applications. Multi-functional and Multi-mode :This outdoor motion sensor alarm has two modes (doorbell mode or alarm mode); activate or ...

The wireless DUAL TEC® motion sensor provides faster and more reliable detection using K-band microwaves to quickly verify the PIR signal prior to any alarm decision. Because K-band operates on a ...