From robot vacuums to video doorbells and pet cameras, these picks make life easier for everyone and are sure to delight tech lovers and newbies alike. And they're all tested by our experts.

Abstract: Video monitoring is an important means to ensure production safety in coal mine. However, the currently intelligent video surveillance is difficult to respond in real-time due to the latency ...

You can mount these wireless security cams almost anywhere. After testing dozens of models, here are my favorites.