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. High Resolution Image：High-precision cameras and high-precision projectors with advanced vascular algorithms to ensure high resolution qualified images. Multiple Colors Display：Black white, green, green background, red, purple, purple background, optional for different skin group. Multiple Sizes and Brightness Display：Large, medium, small, and very small images optional and four level brightness optional. Multiple Modes Display：Normal, enhanced and depth, depth mode with three puncture position prompts: deep, medium, and shallow