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yaxuan
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Features: Red LED light can quickly help adults or babies find veins easily
The Venous Finder is a unique high power red LED flashlight that can be used to help anyone locate a vein under the skin. Its slim and lightweight design makes it very easy to carry and ideal for any situation. You may be surprised when you can visualize veins that are invisible to the human eye. A 1700 nm optical frequency that is naturally absorbed by the blood and creates a of dark veins. how to use:
Step 1 minimize the light, and choosing a dark room will show better results. Pre the on on the bottom of the device to turn on the infrare LED. Step 2 Pre gently on the skin with your hand and slowly move the device from side to side. The vein will appear as or dark line and will appear on the periphery of the red glow around the device. Note: The device must be in contact with the skin when looking for veins. Taking the light out of the skin doesn't show anything! Step 3 Once the vein is found (dark shadows/line), reposition the infrare light around the area to obtain significant vein vision. If the vein is more to the surface, it may be neceary to move the light source further because it may be too bright and cover the vein. Follow the vein path so that you have a full visual size and orientation. Note: Find a vein that follows a straight path. [LED Specifications]: 9 F5 round red LEDs [Power Specifications]: 3*AAA (ie, 3 7-cell batteries, not included in the product)
[Switch gear position]: one file (one open and one off)
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