Google briefly linked to a number of unannounced Nest security cameras and doorbells on its own online store.

As caught by The Verge, four yet-to-be announced products appeared on the page, all of which look set to take on existing products from the likes of Amazon’s Ring brand and other smart home providers.

First of all, there’s a white Nest Doorbell with the word “battery” in brackets next to the listing.
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