Full baby wellness profile: monitor sleep, nap, heart rate and oxygen saturation. Daily sleep analyses with individual sensitivity setting. ALWAYS INFORMED: Receive immediate notifications when your baby cries, vitals change, or the sock comes off. Choose which alarms you want to receive – tailored to your needs. Clear vision at day and night: Capture detail in the baby's room in 2K sharpness and monitor reliably even in the dark with unobtrusive night vision. Tuned for accurate data & reports: Observe and analyze your baby's sleep with advanced algorithms and Fresnel lens. Overview heartbeat and blood oxygen over the past 48 hours. Easy and comfortable for 0-18 months: the smart sock with 24-hour battery is dirt-repellent, flexible, soft and washable - grows with your baby in three sizes., Weight: 0.77 Pounds, Manufacturer: Anker