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A Ring video doorbell is displayed during the 2015 International Consumer Electronics Show (CES) in Las Vegas

A Ring video doorbell (L) is displayed during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada January 7, 2015. The doorbell connects with home Wi-Fi to send a video call to the homeowner's smartphone. The doorbell retails for $199.00 and should be in stores in the second quarter of 2015, a representative said. REUTERS/Steve Marcus (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS)