How Do Doorbell Cameras Work? | Safety.com

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Yesterday’sbulky,conspicuousvideosurveillancecameraslookedlikeanti-aircraftweaponsstandingguardoverotherwiseordinaryhomesandbusinesses.Today,securitycamerascomeinsleekdesigns,areeasytoself-installandcomeequippedwithapp-basedtechnologythatputscontrolinthepalmofyourhand.Enterthev



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