WXF86djl Pen Lights Convenient Vein Finder, Handheld Blood Vessel Display, Aluminum Alloy 9pcs LED Vein Flashlight, Suitable for Intern Medical Students Looking for Veins

Vein visualization: -700nm light frequency, naturally absorbed by blood, and will produce dark veins shadows, which shows the effect of use easy to carry: This is a very useful tool for doctors and nurses who help at home blood vessel positioning: reduce patient pain caused by misoperationd improve the success rate of venipuncture through traditional visual and tactile judgments 9 pcs LED light design: LED light can quickly help adults or babies find veins easily, accurately locate, and use the effect well