Sell 手指测量血氧仪包括电池 Fingertip Pulse Oximeter LK87 Including Battery Accurate Measurement best price

Color: Blue Model: LK87 Display Type: LED Display / TFT Display SpO2 Measurement Range: 70%~99% Accuracy: ±2% on the stage of 80%~100%; ±3% on the stage of 70%~80%; Below 70% no requirement Resolution:±1% PR Measurement Range:25BPM~250BPM Accuracy:±1BPM or ±1%(the larger one) PI Index Measurement Scope: 0~20 (optional) Power: 2 AAA1.5alkaline battery Power Consumption: Below 30mA Automatic Power-off: The product shuts off by itself when no finger is in the product >=8 seconds operation environment Operation Temperature: 5C~40C Storage Temperature: -20C~55C Ambient Humidity: 15%~85%  non-condensing Device Dimensions: 64mm*38.8*35.5