1PC Pen Type Pocket Aluminum Medical Penlight Torch Otoscope LED Flashlight Ophthalmoscope for Doctor Nurse Emergency First Aid:Features:-Powered by 2 AAA batteries (not included)-Dimension: 13.5cm(W)*1cm(Diameter)(Approx.)-Made of anodized aluminum alloy-Clip to hold it on your uniform, easy to carry-LED bright clear light-On/off switch buttonLow power consumption and long usage time-Printing student size on the surface for referenceSpecification:-Color option: red, silver, black, purple, blue, pink and yellow-Lamp: LED 2.2V White-Dimensions: Diameter 1cm, length 13.5cm-Weight: 20gMaterial: Alloy material

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