Portable fingertip pulse oximetry

Dimensions: 57*31 *32mm 
Safety type: Type 2 BF application equipment
Screen type: color screen
Product specifications: finger clip-on
Blood oxygen measurement range: 0~100% (resolution is 1%)
Blood oxygen measurement accuracy: 70~100%: soil 2%, less than 70% undefined
Pulse measurement range: 30~250 BPM (resolution 1BPM)
Pulse measurement accuracy: ±2BPM or ±2%, whichever is greater

You need to bring your own battery! ! !