Sell Visual Stethoscope (Vs1ECG wave LCD)

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Visual Stethoscope (Vs1ECG wave LCD) :
Convenient to operate;
Stethoscope function: clear and precise;
Real-time record and display the heart rate and ECG;
Optional set of ECG collecting sensitivity and wave move speed;
Freeze function: convenient to observe the heart rate and ECG;
Low electricity consumption, Long battery life.
Weight 200g
Power 3V(2W1.5V)
Battery LR03-AAA
Operating Duration about 150 hours
Battery Capacity Display Display the alarming information while lack of electricity
Automatically switch off The switch will be off automatically in four minutes while no data input
Environment Operating temperature 00-400;
Storing temperature -100-500
Humidity 25-95%