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The best gift for the elderly to help them see the screen more clearly
Side light button mode: Double-click the switch
and the use area is wider
Transmission distance: 350 meters
Power supply: 100-240VAC
Finger Pulse Oximete LED HD Display Portable Oximeter Equipment Blood Oxygen Monitor Pulse Oximeter(Black) ETCR The best gift for the1. With low power consumption plus Low battery voltage indicator automatically standby or sleep. for 40 continuous hours of battery life. 2. LED display, simultaneous display for testing value and bargraph. 3. Anti interference ability, only need to replace the battery, no calibration. 4. Small and lightweight, easy to operate and carry with lanyard. 5. Can be used for internal and external surgery, anesthesiology, pediatrics, emergency room and other
