The internet of things is filled with devices that promise to learn your every move. Ding is not one of these products.WIRED staffer Margaret Rhodes takes a look at the Ding doorbell system that includes a node with a button that affixes to your door, a speaker that sits inside the home and emits noise, and an app.

If you are not home, Ding sends a voice call to your phone through the app. This is a feature that would appeal to users of online retailers and Airbnb hosts:

A quick phone call enables a user to ask a delivery person if he can leave a package with a neighbor. Likewise, if international Airbnb guests arrive while you’re not home, they might not be able to place a local call. Ding lets them announce their arrival through the doorbell. If it works as promised, Ding will make a few specific tasks much easier.

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