Sell 100% ORIGINAL MEDICAL LK 87 OXIMETER PULSE With Sleep Monitor Heart Rate Spo2 PR aka lk87 lk88 lk89 best price

" LK87 / LK88 Fingertip Pulse Oximeter * Color : - BLUE 🔰Features : - Operation of the product is simple and convenient. - The product is small in volume, light in weight (total weight is about 50g including batteries) and convenient in carrying. - Power consumption of the product is low and the two originally equipped AAA batteries can be operated continuously for 20hrs. - The product will automatically be powered off when no signal is in the product within 8s 🔅Specifications : 【LED LK87】 - Power : 2 x AAA Battery - 5 Seconds auto shut down - Storage Temperature : -20C~55C - Display Type : 4 Color LED Display - Power Consumption : Below 30mA - Accuracy : ±2% on the stage of 80%~100%; ±3% on the stage of 70%~80%; Below 70% no requirement Resolution : ±1% - SpO2 Measurement Range : 70%~99% - Device Dimensions : 64mm*38.8*35.5 - Accuracy : ±1BPM or ±1% (the larger one) - PR : Measurement range : 25BPM~250BPM - Ambient Humidity : 15%~85% non-condensing - Environment : Operation Temperature : 5C~40C - PI Index : Measurement Scope : 0~20 (optional)