Blood and Infusion Warmer Features The vein finder mainly takes the advantage of the blood hemoglobin absorption for near-infrared light stronger than other tissues, it makes the superficial blood vessels visualized through the vein visualization technology; it is helpful to find, evaluate and position the superficial blood vessel:s, etc.; it can effectively improve patient's satisfaction, reduce nurses' psychological pressure, reduce workintensity, and protect the doctors and patients from venipuncture issues. It is widely used in Emergency, Outpatient, Pediatrics, Geriatrics, ICU, Dermatology, Hemodialysis Centers, and Cosmetology departments. About the Item ✅ High Resolution Imaging Equipped with high-precision camera and projector, powered by advanced vascular algorithms to deliver sharp vein images. Ideal for pediatric, elderly and patients with hard-to-locate veins, reducing repeated punctures. ✅ 3 Display Modes Normal / Enhanced / Deep Mode. Deep Mode for deeper subcutaneous veins; Enhanced mode sharpens vein outlines for better visualization. ✅ 6 Projection Colors Black-white, Green, Green Background, Red, Purple, Purple Background. Switch colors freely to fit different skin tones and ambient lighting, maximize vein contrast. ✅ Adjustable Projection Size & Brightness 4 image sizes (Large / Medium / Small / Extra Small) + 4-level brightness adjustment, flexible for different body parts. ✅ Handheld: Portable for emergency & bedside use. ✅ Built-in Image Enhancer Greatly improves vein clarity. The Deep Mode with enhancer shows deeper blood vessels that are hard to observe normally.