Product Features:- Blood oxygen measurement range: 5%~99% (resolution is 1%)- Blood oxygen measurement accuracy : 70%~99%: +-2%, less than 70% undefined- Pulse measurement range: 30~250BPM (resolution is 1BPM)- Pulse measurement accuracy: +- 2BPM or +-2%, which ever is greater- Low power comsumption- 8s Automatic...