High Brightness: Venous imaging device, using high-brightness LED light source, through the difference of light reflection and absorption of blood and tissues. Utilize the opaque characteristics of superficial veins to distinguish superficial veins and tissues in transparent images.Accurately Locate Veins : Portable Vein Finder is a method that can accurately locate the blood vessels, helping to find the veins quickly, effectively avoiding traditional visual and tactile judgments.Simple Operation : integrated power switch , venipuncture for children and the elderly, finding blood vessels during intravenous injection.Easy to Carry: The vein viewer is small in size, light in weight, easy to carry or use, easy-to-use vein probe is suitable for nurses, paramedics and medical students.Practical And Extensive]: The vein locator is suitable for hospitals, pediatric clinics, outpatient clinic centers, clinical laboratories, nursing homes and other places.