Among the many advantages of high-tech home accessories is their ability to let us untangle ourselves from old-fashioned wired systems, granting us new-found flexibility and convenience, and simplifying our lives by leaps and bounds. Case in point: wireless doorbells. Unlike older models, these battery-powered units take mere minutes to install, repair, or even pack up when we move to a new house, making them an easy (and better yet, often inexpensive) upgrade worthy of homeowners’ attention. Today’s wireless doorbells come packaged with a host of modern conveniences, including enhanced home security and the ability to interact with guests from afar. When zeroing in on the best wireless doorbell for your abode, look for these must-have features—and then consider three top-rated models that combine all sorts of bells and whistles.