If you’re always at a loss as to where a spare set of keys can be safely left outside your house, then Master Lock has a high-tech, ultra-safe answer for you with its Bluetooth key box. It’s a safe ...

Looks like a big padlock. Well, that’s exactly what it is. You lock it onto something secure and immoveable; punching in the four-digit combination opens an internal cavity the size of a matchbox – ...