The product is applicable for family, hospital, private Clinique, community medical treatment. Main features Compact and portable, easy to use Display of ECG waveform, heart rate, SpO2 , pulse rate , pulse waveform Earphone output and 16 steps volume adjustable Alarm for SpO2 and pulse rate exceeding limits Real-time detecting, TF card data record and review Real-time clock Recorded data can be transferred to a PC PC analysis software Low power consumption Main Parameters Stethoscope(electronic sensor , three Stethoscope modes), Heart:20230Hz, Lung:100800Hz, H&L:20800Hz Heart Rate measuring range: 30bpm300bpm , Accuracy: ±2 bpm or ±2% (select larger) SpO2 measuring range: 0%100% (the resolution is 1%), Accuracy: 70% 100% :±2% , below 70% unspecified Pulse Rate measuring range: 30bpm250bpm, Accuracy: ±2 bpm or ±2% (select larger) Resistance to surrounding light: The deviation between the value measured in the condition of man-made light and indoor natural light and that of darkroom is less than ±1%. Measurement Performance in Weak Filling Condition: SpO2 and pulse rate can be shown orrectly when pulse-filling ratio is 0.4%. SpO2 error is ± 4%, pulse rate error is ±2 bpm or ±2% (select larger).Display : 2.4 color LCD Power consumption:120mA Voltage:DC 3.6 4.2V Power Supply: 3.7V Lithium Battery Battery working hour:It can last more than 7 hours when the power is full. Safety Type: Internally powered equipmentB Type Accessories An User Manual An Earphone A Power adapter A data line An oximeter probe (optional, BF applied part) A CD(PC software) Physical Identity Dimension: 110mm(L)×60mm(W)×14mm(H) Weight: 100g. Food and Drug Administration and state and local regulatory agencies. The item "CONTEC Multi-functional Visual Electronic Stethoscope, ECG, SPO2, PR, PC Software" is in sale since Wednesday, April 3, 2019. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Stethoscope Parts & Accessories". The seller is "madeincontec" and is located in BeiJing. This item can be shipped worldwide.