Portable fingertip pulse oximetry $ 11.95 Dimensions: 5731 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! ! !
