Sell SAY ! FINGER TIP PULSE OXIMETER BLOOD OXYGEN METER (LK87) FINGERTIP PULSE OXIMETER DIGITAL ( Storage best price

Material: ABS + PC SpO2 measurement range: 35% ～ 100% SpO2 measurement accuracy: 70-99% ± 2% SpO2 accuracy rate: ± 1% Pulse rate measurement range: 25BPM ～ 250BPM Pulse measurement accuracy: ± 1 BPM / ± 1% of measurement result Working temperature: 5 ℃ ~ 40 ℃ Storage temperature: -10 ℃ ~ 40 ℃ Power supply: 2 x AAA 1.5V batteries (LR03) (not included) Item size: 58 * 34 * 32mm / Item Weight: 37g (without battery) Package size: 80 * 60 * 38mm / 3.15 * 2.36 * 1.5in Package Weight: 40g / 1.41oz