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Battery Charging
which means the changes in the volume of blood in an organ is measured by the changes in the intensity of the light passing through that organ hence the emitted light from the LED will be received by photosensor only when there is blood in the vein hence measuring the pulse
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The wave length of Laser light normally range from 635nm to 66nm
5W LED chip - High Power Cool White COB Light 300mA Audio Module Battery ChargingIt is a high power, 5W LED COB Light which consumes a maximum of 300mA. The size of the LED is 11 mm and is commonly used in LED Bulb construction. Specification Voltage 13. 5 16 V Also check: 3W LED Chip, 5W LED Chip, 10W LED Chip, 15W LED Chip, 20W LED Chip Explore more options in our COB Light Collection to find the perfect brightness and power rating according to your usage. Package Includes: 1 x 5W LED chip High Power Cool White COB Light 300mA
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