We tested some of the market’s top kits so that you don’t have to play chemist every time you check your pool.

If all of a sudden, your monitor or laptop screen looks yellowish or off its usual color, then there can be multiple reasons for that. It could be because of the misconfigured color profile or ...

Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the top heart rate monitors we've tested. I'm PCMag's managing editor for consumer ...

Whether you're a traveling exec, a graphic designer, or a gamer, a portable second monitor can add an extra dimension to your work or play. We've tested most of the major models and have ...

I rely on Camelcamelcamel, Honey, SlickDeals, and others to help me determine whether online deals are, well, the real deal. Daniel is Lifehacker's Shopping Editor covering tech deals and reviewing ...