... .CE certificate 3.connector:DB9 4.neonate wrap sensor BCI DB9 9pin neonate wrap pulse rate sensor,TPU,3M,CE compatible model:BCI:3300 ... 70% ~ 2% 89% and 3% 3.Pulse rate test range: 30 BPM ~ 245 BPM 4.pulse rate test precision: 30 BPM ~ 59 BPM, and ... . Double shield structures5.competitive price BCI DB9 9pin neonate wrap pulse rate sensor,TPU,3M,CE