A lot can happen while your baby sleeps, but a traditional baby monitor can only tell you so much. The Owlet Monitor Duo Smart Sock 3 + Cam 2 goes beyond the capabilities of any other baby monitor for the most complete picture of your baby’s wellness while they sleep.This Duo offers the intelligence of our award-winning Smart Sock 3 paired with the Owlet Cam 2. Track the most important indicators of your baby’s health-like oxygen level and heart rate - and receive a notification if your baby’s readings preset “safe” zones. See and hear your baby clearly through a secure, encrypted connection directly on your smartphone from anywhere. Features: Tracks heart rate and oxygen using proven pulse oximetry technology Measures sleep trends - view total hours slept, number of wakings, sleep quality and more Fits babies 0-18 months - fabric sock fits 5lbs - 30lbs, for both left and right feet 16-hour battery - get 8 hours in 20 mins and a full charge in 90 mins See and hear your baby with HD video, night vision, two-way audio, sound, motion, and cry notifications and video clips of the moments before your baby starts crying Get a clear picture of your baby with 130°wide angle lens, 4x digital zoom and a room temperature sensor Specifications: Dimensions: H:8.5 x W:20.0 x D:34.0 cm Colour: Mint Guarantee:1 Yr Model Number: OWDM-32-MT Self Assembly Required: Yes