Marsden O-100 Fingertip Pulse OximeterMarsden O 100 Designed to be simple and easy to use Allows you to check oxygen levels in seconds Small device for monitoring pulse rate and the amount of oxygen carried in the body Splashproof and drop resistant device Specification Capacity: N A Graduations: N A Approvals: N A Warranty: 1 year warranty Dimensions: 56mm x 34mm x 30mm Batteries: 2 x 1. 5V AAA batteries Additional Features Accurate and easy to use Measures Pulse Rate, Oxygen Saturation,
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