Owlet is the first ever baby monitor to track heart rate and oxygen saturation levels on your smartphone.The Smart Sock comfortably wraps around your baby’s foot to track heart rate and oxygen levels using clinically-proven pulse oximetry. The base station glows green to let you know everything is okay but will notify with lights and sounds if something appears to be wrong. Using Owlet's app, you can receive notifications and stream real-time heart rate and oxygen levels on your phone. Hear and see your child from anywhere with the Owlet Cam. The Owlet Cam streams HD 1080p video with night vision and two-way audio to your smartphone over a secure, encrypted WiFi connection. Keep informed of your baby’s needs with background audio. Integrates seamlessly with the Owlet Smart Sock* in the Owlet App.