Amazon said on Monday of which of which’s acquiring Eero, a developer of internet routers of which can be easily connected within the home. Terms of the deal weren’t disclosed.

of which’s Amazon’s latest push into the smart home, following the acquisition of video doorbell maker Ring last year for $1 billion. Amazon’s primary home device is usually its own Echo smart speaker, powered by Alexa.

within the router market, Google features a competing product called Google Wifi. Apple discontinued AirPort home routers last year, in addition to Cisco sold Linksys to Belkin in 2013. Netgear stock was down as much as 5 percent after hours following the announcement.

Eero, based in San Francisco, was founded in 2014 by Nick Weaver, Amos Schallich in addition to Nate Hardison with the goal of producing Wi-Fi simple to use, easy to install in addition to effective across many rooms in a house. In 2015, the start-up sold $2.5 million worth of products in its first two weeks after the company began accepting preorders, reported earlier.

“We have a shared vision of which the smart home experience can get even easier, in addition to we’re committed to continue innovating on behalf of customers,” Dave Limp, senior vice president of Amazon devices in addition to services, said in a statement.

just one Eero device costs $199 in addition to covers up to 1,500 square feet. Users can add a so-called beacon for another room for a different $149 or can buy both combined for $299. The company also sells a security service for $99 a year.

“You have to be able to react quickly to customers, in addition to at the same time, you have to think far enough ahead to think about what the hardware needs to do within the future,” Weaver said in a 2016 interview. A graduate of Stanford University in addition to former venture capitalist, Weaver has been fixing home networking systems since he was 10.

More than 150 people are listed as Eero employees on LinkedIn. The company raised at least $90 million by investors including Index Ventures, Playground Global in addition to Redpoint Ventures. Eero laid off one-fifth of its employees last year, TechCrunch reported.

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