Portable Vein Finder with 18 LED Lights: This compact vein detector uses high-brightness red LED technology to clearly display veins through the skin, suitable for all skin tones. The one-click start ensures fast operation, and its long-lasting battery provides 2–3 hours of continuous use—ideal for emergency or low-light environments. Lightweight and pocket-sized, it’s perfect for nurses, clinics, and home care. (Note: Disinfect with alcohol only; avoid direct eye exposure.)