Alva Review-Courier -

BOSTON (AP) — Amazon has bought an Andover, Massachusetts-based company that makes internet-connected doorbells and security cameras.

Blink announced on its website Friday it was being acquired by the Seattle e-commerce giant. Terms of the deal haven't been disclosed.

The move could help Amazon compete in the fast-growing home security camera market and against similar devices made by Nest, a subsidiary of Google parent company Alphabet.

Amazon unveiled its own Cloud Cam security camera in the fall. It also launched a new Amazon Key service for people in some U.S. cities to allow a door to be...