It's not the prettiest smart deadbolt, but you can open it with a PIN, a fingerprint, an Apple Home Key, or—most interestingly—entirely hands free with your face.

The full-size flange is spot-welded to the base to provide a strong and smooth mounting plate for use when the units are secured to a surface. The 18 sizes range from 50mm x 45mm x 30mm to 223mm x ...