[BRIGHTNESS ADJUSTABLE]: Vein finder cadjust the brightness by rotating the bottom switch, even in the daytime without turning off the light, you can clearly see the blood vessels. [EASY TO USE]: The venous imager is used by rotating the bottom switch. Sensing technology is integrated into the two sides of the instrument, the light in the sensing area becomes stronger when the hand is held, and the light becomes weak when leaving the sensing area, especially suitable for nurses, assistants and medical students. [APPLICABLE PEOPLE]: The vein imaging device can be used to help people of all ages, such as infants, obese people, edema people, the elderly, and the general population of infusion, to quickly locate the subcutaneous veins. [SUPER LIGHT SOURCE]: The enhanced version of the vein illuminator uses four cores and four wicks, high-brightness red light-emitting body, the brightness is up to 4600 lines or more, and the blood vessels can be clearly displayed when the needle is inserted, so there is no need to worry about the deviation.