Complete Baby Monitor System Smart Sock comfortably wraps around your baby’s foot to track heart rate and oxygen levels using clinically-proven pulse oximetry.  Notifications via the base station and Owlet App Base Station glows green to let you know everything is okay but will notify with lights and sounds if something appears to be wrong Stream real-time heart rate and oxygen levels Live stream from anywhere via NEW Owlet App Secure, encrypted WiFi Background audio Room temperature sensor Night vision HD 1080p video Adjustable magnetic base Two-way audio 130° wide angle lens NEW! Owlet App, requires iOS 8 or higher and Android 5.0 or higher WiFi required for the Owlet App. Owlet App only supports 2.4 GHz wireless router. Only connect to a private network that requires a secure password. HotSpot WiFi NOT recommended.  Cam Measures 2.2" L x 4.1" H x 2.2” W    Cam Weigh: 0.7 pounds Smart Sock Measures 3.5" L x 3.5" W x .7” H  Smart Sock weight: 1.3 pounds Smart Sock BPA Free, Latex Free, Lead Free Smart Sock ETL listed  Designed in USA  Imported Product