• Features: Red LED light can quickly help adults or babies find veins easilyThe 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. Press the button on the bottom of the device to