To provide User-friendly operating system, Man-machine head resting holder, to protect neck and waist. 2. Optical mildew treatment, greatly improve the durability of parts. 3. The new unique ergonomic design, flexible stretching and flexible mechanical focusing mechanism to make operation more convenient, Unique human head rest frame to make user no stress and improve work efficiency, 4. Lens of microscope is using wide field of vision technology, continuous zoom stereoscopic microscope head, high-definition, depth of field, wide view range, sense of stereoscopic is strong, easy and convenience operation. 5. Beautiful and practical structure of this universal stand, apply to variety of height, direction work and working environment.
