Owlet Smart Sock 2 Baby Heart Rate Oxygen Level Health Monitor Product Features: EVERYTHING YOU NEED TO KNOW BABY IS OKAY: Track your baby's heart rate and oxygen levels while streaming HD video and audio to your Smartphone Owlet App. Have complete peace of mind knowing you can hear, see and keep an eye on your baby's heart rate and oxygen levels from anywhere. Available in iOS and Android. INTEGRATED WELLNESS NOTIFICATIONS: The Smart Sock connects to a base station that glows green letting you know everything is okay, but uses lights, sounds, and app notifications if heart rate or oxygen levels are too high or too low. Parents can sleep better and have less anxiety knowing they have access to real-time heart rate and oxygen levels coupled with video from the Cam. HD STREAMING W/ NIGHT VISION: The Owlet Cam's 1080p video lets you see your baby in crystal clear detail during the day and night. SECURE, ENCRYPTED WIFI: Only those you choose can stream footage from your Owlet Cam. The Owlet Cam uses AES 128-bit encryption and TLS connection to WIFI. GROWS WITH BABY - Each Sock + Cam includes Cam, sock sensor and 3 washable socks that comfortably wrap around the baby's foot. Socks fit most infants from 0-18 months or 6-25 pounds. Powerful 1080 HD Camera is great for babies, but will also help you keep track of toddlers, and works as a Nanny cam. Our camera continues to provide value as your child grows up. TWO-WAY TALK BACKGROUND AUDIO: Talk to and soothe your baby from anywhere or use the background audio to listen to your baby while using your phone for other tasks. OUR PROMISE: Love it or return within 45 days for a full refund, making it a great gift for baby registries and showers or as a gift to new parents. BPA free, latex free, lead-free