Question

what kind of invention is "smart bell"?​

Answer 1

Answer:

A schoolboy is on course for a £250,000 windfall after inventing a doorbell that fools burglars into believing somebody is home at an empty property. Smart Bell, designed by 13-year-old Laurence Rook, dials the homeowner's mobile phone when pressed, allowing them to talk to whoever is outside their front door.

Answer 2

Explanation:

Smart Bell, designed by 13-year-old Laurence Rook, dials the homeowner's mobile phone when pressed, allowing them to talk to whoever is outside their front door.

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