Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? If you have an adult dog who's safe on his own in a fenced-in yard, a dog door gives ...

When looking at pet door sizes, shoppers see two sets of measurements. The larger numbers are the dimensions of the actual frame, the part that fits into the opening in your door or wall. The second ...

Alina Bradford has been writing how-tos, tech articles and more for almost two decades. She currently writes for CNET's Smart Home Section, MTVNews' tech section and for Live Science's reference ...