Feature:1.This venous instrument utilizes venous blood vessels, near-infrared light (safe, harmless) differential absorption and reflection, infrared light emission, infrared light reflection image acquisition and processing, visible light projection. For superficial veins, real-time, precise, projection.
2.3 kinds of brightness, 2 colors (cyan, red), positive and negative colors;
3. Endurance for 4 hours; no charging base, the main unit is directly charged;