SM-20HF is necessary C-Arm apparatus for the operating room which calls for rapidity and accuracy. It offers the high efficiency X-ray and reduces the radiation dose to operators and patients by the adoption of High frequency generator. It is a high tech apparatus which is equipped with high sensitive I.I (Image Intensifier), CCD camera and LCD system. Also, microprocessor control way makes an accurate and easy radiography possible. It is the X-ray LCD apparatus of High quality diagnosis information for surgical, orthopedic, endoscopy, cardiology, ER and panic clinic etc.