Sleep Monitor | Sleep Tracker | Best Sleep Tracker

Professional sleep monitoring device, compact and lightweight design. Convenient, comfortable, and easy to wear while sleeping. Can be used for both adults, teens and children. Ongoing, constant real-time data storage when operating. Easy to transmit data to computer for review and analysis      MD300W512 is one kind of professional sleep recorder and intended for wrist measurement. It not only has high-resolution memory but also can accurately track tiny changes in one second. MD300W512 is special design to help people self-diagnose primarily screen the OSAS (obstructive sleep apnea syndrome).  Product SpecificationsApplication Range: Adult and Pediatrics SpO2 Measurement range: 70% - 100% Resolution: 1% Accuracy: 70% - 100%: ±3%; ＜70%: unspecified Pulse Rate Measurement range: 30 - 250bpm Resolution: 1bpm Accuracy: 30~99bpm, ±2bpm; 100~250bpm, ±2% Date Storage 72-hour, the interval of every two records is 1 seconds. Display Type: OLED Parameters: SpO2, PR, Pulse bar Mode: 1