The vein finder is designed for vein puncture . the vein finder can dispaly veins beneath skin and help nurses to find veins and make vein puncture .
Features：
THR-VF28 handheld vein viewer devices are affordable, portable vein detectors for general venous access in adults and children.
Powered directly from the charger when using 15 LEDs operated by a single switch.
It is used for efficient IV access in emergency medicine.
