Projector makers Optoma have unveiled a blistering new 5,000-lumen, $5,000 4K laser projector at Barcelona's Information ...

The best 4K projectors are still the ultimate way for you to get an immersive theater experience at home. All of the projectors in this guide are capable of beaming a larger image than any regular ...

Whether you're going on vacation, at work or wanting to keep an eye on nighttime activity, a 4K camera will capture it all in the clearest view with high-quality video, while the best cameras will ...