Features: 1. Unique high power red LED flashlight that can be to help anyone locate veins under the skin. 2. The optical frequency of 700nm is naturally absorbed by the blood and produces dark shadows of veins. 3. LED light source, widely in clinics, hospitals or homes for intravenous injection. 4. This vein finder can be directly on the human skin to observe the blood vessels. 5. Suitable for all skin types, especially for infants, children or patients. 6. Compact size and lightweight, easy and convenient to carry or use. Specification: Item Type: Vein Finder Material: Aluminium Alloy + ABS Color: As Pictures Shown LED Type: 9Pcs F5 Round Head Red LED Battery Type: 3 * AAA Batteries Not Included Maximum Brightness: 50LM Lighting Time: About half an hour for an ordinary battery, and about two hours for an alkaline battery Maximum Range: 1 Meter Package Size: 3.9 * 3.9 * 10cm / 1.5 * 1.5 * 3.9inch Package Weight: Approx. 57g Package List: 1 * Vein Finder