No peephole? No sweat.

When someone shows up at your doorstep, you want to make sure that it’s a visitor for whom you want to put out the welcome mat, These smart doorbells can show you a livestream of the person at your front door.

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The following CNET staff contributed to this story: Senior associate editor Megan Wollerton and senior editor Laura K. Cucullu. For more reviews of personal technology products, visit