Eufy's model is a larger outdoor camera that can be combined with a solar panel for wireless charging. Its pan/tilt design proved mostly durable. No lens damage occurred during test, but the front ...

It’s a good idea to install cameras in shaded spots, such as under eaves, to protect the lens from the glare of the sun and ...

The best choices right now are the Kidde/Ring collaboration detectors ($75) that work with the Ring app for free, and the Nest/First Alert detectors ($130) that work with Google Home. They both send ...

Abstract: This paper designs and realizes a marine engine room monitoring and alarm system based on the controller of Siemens PLC, introduces the design means and the practice process in detail, ...